Scaling to Solve Percent Problems

In a video store, a DVD that sells for $15 is marked, "10% off". What is the discount?

• $15
• $150
• $10
• $1.50

In a video store, a DVD that sells for $15 is marked, "10% off". What is the sale price of the DVD?

• $14.50
• $13.50
• $16.50
• $1.50

What is 10% of 50?

• 500
• 50
• 5
• .5

20 is 25% of what number

• 500
• 5
• 100
• 80

Ben earns $12,800 a year. About 15% is taken out for taxes. How much is taken out for taxes?

• $3,000
• $12
• $15
• $1,920

At a sale, shirts were sold for $15 each. This price was 80% of their original price. What was the original price?

• $12
• $16
• $18.75
• $23.12

A Chicago Cubs baseball cap costs $30.  Michael has a coupon that will save him 30% of the  price. How much money will Michael pay for the cap?

• $9.00
• $22.00
• $21.36
• $21.00

 Shirley spelled 12 of her 15 spelling words correctly on the test.  What percent grade did Shirley get on the test?

• 40%
• 50%
• 80%
• 60%

In the Central City Grand Prix, out of 30 cars that started the race, 12 of them finished. What percent of the cars finished the race?

• 20%
• 40%
• 60%
• 80%

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

• 10%
• 20%
• 80%
• 90%