50166

Question

{{{question}}}

Worked Solution

{{{workedSolution}}}

Variant 0

DifficultyLevel

488

Question

Raphael is 2 years younger than 3 times his sister's age.

If s\large s represents his sister's age, which expression represents Raphael's age?

Worked Solution

Let  s\ \large s = sister's age

∴Raphael’s age\therefore \text{Raphael's age} = 3s −3\large s\ - 2

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Raphael is 2 years younger than 3 times his sister's age. If $\large s$ represents his sister's age, which expression represents Raphael's age?
workedSolution
Let $\ \large s$ = sister's age $\therefore \text{Raphael's age}$ = {{correctAnswer}}
correctAnswer
$3\large s\ -$ 2

Answers

Is Correct?Answer
x

2−3s2 - 3\large s

✓

3s −3\large s\ - 2

x

3s +3\large s\ + 2

x

2s −2\large s\ - 3

Variant 1

DifficultyLevel

486

Question

Peter is 3 years older than twice his sister's age.

If x\large x represents his sister's age, which expression represents Peter's age?

Worked Solution

Let  x\ \large x = sister's age

∴Peter’s age\therefore \text{Peter's age} = 2x2\large x + 3+\ 3

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Peter is 3 years older than twice his sister's age. If $\large x$ represents his sister's age, which expression represents Peter's age?
workedSolution
Let $\ \large x$ = sister's age $\therefore \text{Peter's age}$ = {{correctAnswer}}
correctAnswer
$2\large x$ $+\ 3$

Answers

Is Correct?Answer
x

3−2x3 - 2\large x

x

2x2\large x − 3-\ 3

x

3x3\large x − 2-\ 2

✓

2x2\large x + 3+\ 3

Variant 2

DifficultyLevel

483

Question

Maria is 4 years younger than 5 times her brother's age.

If x\large x represents her brother's age, which expression represents Maria's age?

Worked Solution

Let  x\ \large x = brother's age

∴Maria’s age\therefore \text{Maria's age} = 5x −5\large x\ - 4

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Maria is 4 years younger than 5 times her brother's age. If $\large x$ represents her brother's age, which expression represents Maria's age?
workedSolution
Let $\ \large x$ = brother's age $\therefore \text{Maria's age}$ = {{correctAnswer}}
correctAnswer
$5\large x\ -$ 4

Answers

Is Correct?Answer
✓

5x −5\large x\ - 4

x

5x5\large x + 4

x

4x −4\large x\ - 5

x

4−5x4 - 5\large x

Variant 3

DifficultyLevel

481

Question

Julio is 10 years older than 2 times his brother's age.

If x\large x represents his brother's age, which expression represents Julio's age?

Worked Solution

Let  x\ \large x = brother's age

∴Julio’s age\therefore \text{Julio's age} = 2x2\large x + 10

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Julio is 10 years older than 2 times his brother's age. If $\large x$ represents his brother's age, which expression represents Julio's age?
workedSolution
Let $\ \large x$ = brother's age $\therefore \text{Julio's age}$ = {{correctAnswer}}
correctAnswer
$2\large x$ + 10

Answers

Is Correct?Answer
x

2x −2\large x\ - 10

x

2−10x2 - 10\large x

✓

2x2\large x + 10

x

10x −10\large x\ - 2

Variant 4

DifficultyLevel

479

Question

Bernice is 8 years younger than 3 times her sister's age.

If x\large x represents her sister's age, which expression represents Bernice's age?

Worked Solution

Let  x\ \large x = sister's age

∴Bernice’s age\therefore \text{Bernice's age} = 3x −3\large x\ - 8

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Bernice is 8 years younger than 3 times her sister's age. If $\large x$ represents her sister's age, which expression represents Bernice's age?
workedSolution
Let $\ \large x$ = sister's age $\therefore \text{Bernice's age}$ = {{correctAnswer}}
correctAnswer
$3\large x\ -$ 8

Answers

Is Correct?Answer
x

8−3x8 - 3\large x

x

3x3\large x + 8

✓

3x −3\large x\ - 8

x

8x −8\large x\ - 3

Variant 5

DifficultyLevel

483

Question

Oliver is 25 years younger than 3 times his mother's age.

If x\large x represents his mother's age, which expression represents Oliver's age?

Worked Solution

Let  x\ \large x = mother's age

∴Oliver’s age\therefore \text{Oliver's age} = 3x −3\large x\ - 25

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Oliver is 25 years younger than 3 times his mother's age. If $\large x$ represents his mother's age, which expression represents Oliver's age?
workedSolution
Let $\ \large x$ = mother's age $\therefore \text{Oliver's age}$ = {{correctAnswer}}
correctAnswer
$3\large x\ -$ 25

Answers

Is Correct?Answer
x

25−3x25 - 3\large x

x

25x −25\large x\ - 3

x

3x3\large x + 25

✓

3x −3\large x\ - 25

Tags