Quiz about Operations with Rational Numbers

Question 1

Emiline earns $6.50 for each hour of work as a babysitter. How much will she earn for working 5.5 hours as a babysitter?

Accepted Answer

$35.75

Answer

$12.00

Answer

$33.55

Answer

$30.25

Question 2

A group of 4 friends paid a total of $50.24 for tickets to a museum. Each friend paid the same amount for a ticket. How much did each friend pay for their ticket?

Accepted Answer

$12.56

Answer

$200.96

Answer

$10.01

Answer

$12.01

Question 3

What is the value of $$\frac{4}{15}\div\frac{2}{3}$$

Accepted Answer

$$\frac{2}{5}$$

Answer

$$\frac{8}{45}$$

Answer

$$\frac{14}{15}$$

Answer

$$\frac{5}{2}$$

Question 4

A baby weighed 7.25 lb at birth. After 8 months, the baby weighed $$2\frac{1}{2}$$ times its birth weight. How many pounds did the baby weigh at the end of 8 months?

Accepted Answer

18.125 lb

Answer

14.5 lb

Answer

9.75 lb

Answer

14.125 lb

Question 5

A recipe for cookies requires $$\frac{2}{3}$$ cup of butter. Rama wants to make $$\frac{3}{4}$$ of the recipe. How many cups of butter should Rama use to make the recipe?

Accepted Answer

$$\frac{1}{2}$$

Answer

$$1\ \frac{5}{12}$$

Answer

$$\frac{8}{9}$$

Answer

$$\frac{1}{12}$$

Operations with Rational Numbers

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