Percents with Double Number Lines

A store decrease its candy package by 20%. If the original package contained 50 ounces of candy. How many ounces is 100%?

• 50

• 20

• 30

• 70

A store decreased is candy package by 20%. If the original package had 50 ounces, how many ounces are in the new package of candy?

• 10

• 40

• 60

• 30

One week gas was $2.50 per gallon. The next week gas increased to $3.50 per gallon. What price is 100%?

• 1.00

• 3.50

• 5.00

• 2.50

One week gas was $2.50 per gallon. The next week gas increased to $3.50 per gallon. By what percentage did the price increase?

• 1.5%

• 20%

• 40%

• 140%

Determine 10% of 150 using a double number line.

• 15

• 10

• 25

• 20

Using a double number line, find 25% of 200.

• 60

• 75

• 40

• 50

Use the double number line to answer the question. If 70% of the 400 students play soccer, how many students play soccer?

• 40 students

• 140 students

• 200 students

• 280 students

Find 30% of 90 using a double number line.

• 35

• 27

• 25

• 30

Use the double number line to answer the question.

What is 30% of 400?

• 40

• 120

• 70

• 400

Use the double number line.

Find 80% of 400.

• 40

• 160

• 320

• 80