Percent Increase and Decrease with Equations

The number of miles driven this month was a 30% decrease of the number of miles driven last month.

Choose an equation that matches the situation.

• y= 0.7x

• y= 0.3x

• y= 1.3x

• y = 1.7x

Tags

CCSS.8.EE.C.7B

On Monday, the high was 60 degrees Fahrenheit. On Tuesday, the high was 18% more. How much did the high increase from Monday to Tuesday?

Write an equation that matches this situation.

Then answer the question.

Tags

CCSS.7.EE.B.3

Which situation matches the diagram?

• The amount of apples this year decreased by 15% compared with last year's amount.

• The amount of pears this year is 85% of last year's amount.

• The amount of cherries this year increased by 15% compared with last year's amount.

• The amount of oranges this year is 115% of last year's amount.

Tags

CCSS.6.RP.A.3C

The number of miles driven this month, y, was a 30% decrease of the number of miles driven last month, x.

Choose an equation that matches the situation.

• y= 0.7x

• y= 0.3x

• y= 1.3x

• y = 1.7x

On Monday, the high was 60 degrees Fahrenheit. On Tuesday, the high was 18% more. How much did the high increase from Monday to Tuesday? Write an equation that matches this situation.

• y=1.8(60)

• y=1.18(60)

• y=0.82(60)

• 60=1.18y

Tags

CCSS.6.EE.B.7

Elena's aunt bought her a $150 savings bond when she was born. When Elena was 20 years old, the bond will have a value of 105% of it's original amount. How much will the bond be worth when Elena is 20 years old?

• $255

• $180

• $157.50

• $3000

Tags

CCSS.6.RP.A.3C

Last year, 2,376 people attended a summer music festival. This year, attendance was 2,950. What was the percent of change in attendance to the nearest whole percent?

• Increase 24%

• Increase 19%

• Decrease 24%

• Decrease 19%

Tags

CCSS.6.RP.A.3C

One week, 72 people got a speeding ticket. The next week, only 36 people got a speeding ticket. What is the percent of change in the speeding tickets?

• Increase 50%

• Decrease 50%

• Increase 1%

• Decrease 1%

Tags

CCSS.6.RP.A.3C

Last week, you finished level 2 of a video game in 32 minutes. Today, you finished level 2 in 28 minutes. What is your percent of change?

• Increase 12.5%

• Decrease 12.5%

• Increase 4%

• Decrease 4%

Tags

CCSS.6.RP.A.3C

Find the percent of change if the original cost was $5 and the new cost is $1. 

• Increase $4

• Decrease $4

• Decrease 80%

• Decrease 400%

Tags

CCSS.6.RP.A.3C