Solving Proportions Word Problems with Percents

Solving percent proportion word problems: A shirt that originally cost $40 is on sale for 25% off. What is the sale price of the shirt?

• $35

• $25

• $30

• $45

Solving percent proportion word problems: The price of a computer is $800, which is 20% off the original price. What is the original price of the computer?

• $700

• $500

• $1000

• $600

Using percent proportions to solve real-life problems: If a car originally cost $20,000 and is now selling for 15% off, what is the sale price of the car?

• $18,500

• $17,000

• $16,000

• $19,500

Solving percent proportion word problems: If 20% of the students in a class are girls, and there are 30 students in total, how many girls are there?

• 10

• 40

• 6

• 25

• A
• B
• C
• D

• A
• B
• C
• D

A student answered 86 problems on a test correctly and received a grade of 98%. How many problems were on the test, if all the problems were worth the same number of points? (round to the nearest whole number)

• about 98 problems

• about 86 problems

• about 88 problems

• about 84 problems

At a sport club 40% prefer football, 30% basketball and the rest volleyball. 300 children attend this sport club. Find the number of those who prefer volleyball.

• 70

• 80

• 90

• 100

The movie theater has 250 seats. 225 seats were sold for the current showing. What percent of seats are empty?

• 10%

• 20%

• 80%

• 90%

A survey of 1,000 people was done by the New York Times. 80% of the people did not know the name of their representative in Congress. How many of the 1,000 people knew the name of the Congressman?

• 200

• 400

• 600

• 800