Applying Rational Number Operations

Question 1

You bought items that cost $6.75. You paid with a $10 bill. How much change did you receive?

Accepted Answer

$3.25

Question 2

A $75 jacket is on sale for 20% off. What is the discounted price of the jacket?

Accepted Answer

$60

Question 3

$7.15 + $3.75 + $1.60 + $15 =

Accepted Answer

$27.50

Question 4

You got 17 out of 20 questions correct on your math test. What percentage were correct?

Accepted Answer

85%

Question 5

You made 6 bows, and each bow took 3/4 yard to make. How much ribbon did you use?

Accepted Answer

4 ½ yards

Question 6

If there were 2 cups of oil, then 3/4 cup is poured out, how much is left?

Accepted Answer

1 ¼ cups

Question 7

If the temperature dropped 18° in 6 minutes, the average change in temperature per minute =

Accepted Answer

−3°

Question 8

A football team gained 8 yards, then lost 5 yards twice. How many yards did they gain or lose?

Accepted Answer

−2 yards

Question 9

If you deposit $215, write two checks for $25, and withdraw $40, your new bank balance is:

Accepted Answer

$125

Question 10

Dan ate 3/8 of the pizza. Joseph ate 1/4 more. What fraction of the pizza did they both eat?

Accepted Answer

5/8

Questions 10