Algebra, NAPX-F4-CA03

Question

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Worked Solution

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Variant 0

DifficultyLevel

492

Question

1.51.5 × ?  = 1.21.2


Find the value of  ?  that makes this number sentence correct.

Worked Solution
1.51.5 × ? = 1.2
? = 1.21.5\dfrac{1.2}{1.5}
= 0.8

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
$1.5$ × ?  = $1.2$
Find the value of  ?  that makes this number sentence correct.
workedSolution
> | | | > | ------------: | ---------------------- | > | $1.5$ × ?| = 1.2 | | | | | | | > | ?| = $\dfrac{1.2}{1.5}$| > | | \= {{{correctAnswer}}} |
correctAnswer
0.8

Answers

Is Correct?Answer
✓

0.8

x

−- 0.3

x

0.3

x

1.25

Variant 1

DifficultyLevel

493

Question

2.52.5 × ?  = 1.51.5


Find the value of  ?  that makes this number sentence correct.

Worked Solution
2.52.5 × ? = 1.5
? = 1.52.5\dfrac{1.5}{2.5}
= 0.6

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
$2.5$ × ?  = $1.5$
Find the value of  ?  that makes this number sentence correct.
workedSolution
> | | | > | ------------: | ---------------------- | > | $2.5$ × ?| = 1.5 | | | | | | | > | ?| = $\dfrac{1.5}{2.5}$| > | | \= {{{correctAnswer}}} |
correctAnswer
0.6

Answers

Is Correct?Answer
x

1.3

✓

0.6

x

1

x

−- 1

Variant 2

DifficultyLevel

494

Question

3.23.2 × ?  = 4.84.8


Find the value of  ?  that makes this number sentence correct.

Worked Solution
3.23.2 × ? = 4.8
? = 4.83.2\dfrac{4.8}{3.2}
= 1.5

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
$3.2$ × ?  = $4.8$
Find the value of  ?  that makes this number sentence correct.
workedSolution
> | | | > | ------------: | ---------------------- | > | $3.2$ × ?| = 4.8 | | | | | | | > | ?| = $\dfrac{4.8}{3.2}$| > | | \= {{{correctAnswer}}} |
correctAnswer
1.5

Answers

Is Correct?Answer
x

−- 1.6

x

8

✓

1.5

x

0.3

Variant 3

DifficultyLevel

495

Question

2.42.4 × ?  = 1.81.8


Find the value of  ?  that makes this number sentence correct.

Worked Solution
2.42.4 × ? = 1.8
? = 1.82.4\dfrac{1.8}{2.4}
= 0.75

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
$2.4$ × ?  = $1.8$
Find the value of  ?  that makes this number sentence correct.
workedSolution
> | | | > | ------------: | ---------------------- | > | $2.4$ × ?| = 1.8 | | | | | | | > | ?| = $\dfrac{1.8}{2.4}$| > | | \= {{{correctAnswer}}} |
correctAnswer
0.75

Answers

Is Correct?Answer
x

4.2

x

−- 0.6

x

0.6

✓

0.75

Variant 4

DifficultyLevel

496

Question

3.53.5 × ?  = 2.12.1


Find the value of  ?  that makes this number sentence correct.

Worked Solution
3.53.5 × ? = 2.1
? = 2.13.5\dfrac{2.1}{3.5}
= 0.6

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
$3.5$ × ?  = $2.1$
Find the value of  ?  that makes this number sentence correct.
workedSolution
> | | | > | ------------: | ---------------------- | > | $3.5$ × ?| = 2.1 | | | | | | | > | ?| = $\dfrac{2.1}{3.5}$| > | | \= {{{correctAnswer}}} |
correctAnswer
0.6

Answers

Is Correct?Answer
x

1.4

✓

0.6

x

−- 1.4

x

5.6

Variant 5

DifficultyLevel

500

Question

4.204.20 × ?  = 3.153.15


Find the value of  ?  that makes this number sentence correct.

Worked Solution
4.204.20 × ? = 3.15
? = 3.154.20\dfrac{3.15}{4.20}
= 0.75

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
$4.20$ × ?  = $3.15$
Find the value of  ?  that makes this number sentence correct.
workedSolution
> | | | > | ------------: | ---------------------- | > | $4.20$ × ?| = 3.15 | | | | | | | > | ?| = $\dfrac{3.15}{4.20}$| > | | \= {{{correctAnswer}}} |
correctAnswer
0.75

Answers

Is Correct?Answer
✓

0.75

x

−- 1.05

x

1.05

x

7.35

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