20327

Question

{{{question}}}

Worked Solution

{{{workedSolution}}}

Variant 0

DifficultyLevel

580

Question

Surf Legends charge an hourly rate for surfing lessons and add a one-off charge of $50 for insurance.

The overall cost (CC) is represented by the formula, C=40h+C = 40\large h + 50, where h\large h is the number of hours of lessons.

Kelly has 15 hours of lessons with Surf Legends.

How much does he pay?

Worked Solution
CC = 40 ×\times 15 + 50
= 600 + 50
= $650

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Surf Legends charge an hourly rate for surfing lessons and add a one-off charge of \$50 for insurance. The overall cost ($C$) is represented by the formula, $C = 40\large h +$ 50, where $\large h$ is the number of hours of lessons. Kelly has 15 hours of lessons with Surf Legends. How much does he pay?
workedSolution
| | | | --------------------- | -------------------------------------------- | | $C$ | = 40 $\times$ 15 + 50 | | | = 600 + 50 | | | = {{{correctAnswer}}} |
correctAnswer
\$650

Answers

Is Correct?Answer
x

$90

x

$140

✓

$650

x

$790

Variant 1

DifficultyLevel

596

Question

Surf Legends charge an hourly rate for surfing lessons and add a one-off charge of $50 for insurance.

The overall cost (CC) is represented by the formula, C=40h+C = 40\large h + 50, where h\large h is the number of hours of lessons.

Amber's surf lessons with Surf Legends cost $330.

How many hours of lessons did she have?

Worked Solution
40h\large h + 50 = 330
40h\large h = 330 −- 50
40h\large h = 280
h\large h = 7 hours

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Surf Legends charge an hourly rate for surfing lessons and add a one-off charge of \$50 for insurance. The overall cost ($C$) is represented by the formula, $C = 40\large h +$ 50, where $\large h$ is the number of hours of lessons. Amber's surf lessons with Surf Legends cost $330. How many hours of lessons did she have?
workedSolution
| | | | ---------------------: | -------------------------------------------- | | 40$\large h$ + 50 | = 330 | | 40$\large h$ |\= 330 $-$ 50 | | 40$\large h$ |\= 280| | $\large h$ | \= {{{correctAnswer}}} |
correctAnswer
7 hours

Answers

Is Correct?Answer
x

4 hours

x

5 hours

x

6 hours

✓

7 hours

Variant 2

DifficultyLevel

578

Question

DriveToday charge an hourly rate for driving lessons and add a one-off charge of $38 for insurance.

The overall cost (CC) is represented by the formula, C=25h+C = 25\large h + 38, where h\large h is the number of hours of lessons.

Benjamin has 5 hours of lessons with DriveToday.

How much does he pay?

Worked Solution
CC = 25 ×\times 5 + 38
= 125 + 38
= $163

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
DriveToday charge an hourly rate for driving lessons and add a one-off charge of \$38 for insurance. The overall cost ($C$) is represented by the formula, $C = 25\large h +$ 38, where $\large h$ is the number of hours of lessons. Benjamin has 5 hours of lessons with DriveToday. How much does he pay?
workedSolution
| | | | --------------------- | -------------------------------------------- | | $C$ | = 25 $\times$ 5 + 38 | | | = 125 + 38 | | | = {{{correctAnswer}}} |
correctAnswer
$163

Answers

Is Correct?Answer
x

$68

✓

$163

x

$190

x

$950

Variant 3

DifficultyLevel

585

Question

DriveToday charge an hourly rate for driving lessons and add a one-off charge of $38 for insurance.

The overall cost (CC) is represented by the formula, C=25h+C = 25\large h + 38, where h\large h is the number of hours of lessons.

Rosa's driving lessons with DriveToday cost $363.

How many hours of lessons did she have?

Worked Solution
25h\large h + 38 = 363
25h\large h = 363 −- 38
25h\large h = 325
h\large h = 13 hours

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
DriveToday charge an hourly rate for driving lessons and add a one-off charge of \$38 for insurance. The overall cost ($C$) is represented by the formula, $C = 25\large h +$ 38, where $\large h$ is the number of hours of lessons. Rosa's driving lessons with DriveToday cost $363. How many hours of lessons did she have?
workedSolution
| | | | ---------------------: | -------------------------------------------- | | 25$\large h$ + 38 | = 363 | | 25$\large h$ |\= 363 $-$ 38 | | 25$\large h$ |\= 325| | $\large h$ | \= {{{correctAnswer}}} |
correctAnswer
13 hours

Answers

Is Correct?Answer
x

9 hours

✓

13 hours

x

14 hours

x

16 hours

Variant 4

DifficultyLevel

580

Question

High Tree Adventures charge an hourly rate for the high ropes course and add a one-off charge of $55 for insurance.

The overall cost (CC) is represented by the formula, C=21h+C = 21\large h + 55, where h\large h is the number of hours of on the course.

Dora spends 1.5 hours on the high ropes course.

How much does she pay?

Worked Solution
CC = 21 ×\times 1.5 + 55
= 31.50 + 55
= $86.50

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
High Tree Adventures charge an hourly rate for the high ropes course and add a one-off charge of \$55 for insurance. The overall cost ($C$) is represented by the formula, $C = 21\large h +$ 55, where $\large h$ is the number of hours of on the course. Dora spends 1.5 hours on the high ropes course. How much does she pay?
workedSolution
| | | | --------------------- | -------------------------------------------- | | $C$ | = 21 $\times$ 1.5 + 55 | | | = 31.50 + 55 | | | = {{{correctAnswer}}} |
correctAnswer
$86.50

Answers

Is Correct?Answer
x

$31.50

x

$77.50

x

$82.50

✓

$86.50

Variant 5

DifficultyLevel

588

Question

High Tree Adventures charge an hourly rate for the high ropes course and add a one-off charge of $55 for insurance.

The overall cost (CC) is represented by the formula, C=21h+C = 21\large h + 55, where h\large h is the number of hours on the course.

Banjo's charge for the high ropes course was $102.25.

For how many hours was he on the high ropes course?

Worked Solution
21h\large h + 55 = 102.25
21h\large h = 102.25 −- 55
21h\large h = 47.25
h\large h = 2.25 hours

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
High Tree Adventures charge an hourly rate for the high ropes course and add a one-off charge of $55 for insurance. The overall cost ($C$) is represented by the formula, $C = 21\large h +$ 55, where $\large h$ is the number of hours on the course. Banjo's charge for the high ropes course was $102.25. For how many hours was he on the high ropes course?
workedSolution
| | | | ---------------------: | -------------------------------------------- | |21$\large h$ + 55 | = 102.25 | | 21$\large h$ |\= 102.25 $-$ 55 | | 21$\large h$ |\= 47.25| | $\large h$ | \= {{{correctAnswer}}} |
correctAnswer
2.25 hours

Answers

Is Correct?Answer
x

1.86 hours

✓

2.25 hours

x

4.87 hours

x

7.49 hours

Tags

  • ms_ca