Calculate the Percentage of a Quantity as a Rate per 100

The average number of shirts sold in the shop was 285 every day in summer. As the temperature was lower and lower, the average number of shirts decreased to 114 every day. What was the percentage decrease of in the average number of shirts sold in the shop?

• 60%

• 40%

• 150%

• 171%

Tags

CCSS.6.RP.A.3C

The inventory of single houses is 980 in the housing market last year. After some of them were sold, there are 637 single houses left. What was the percentage decrease in the number of single houses?

• 65%

• 35%

• 53%

• 34%

Tags

CCSS.6.RP.A.3C

The usual price of a TV set was $500. During the Christmas holiday, the price of a TV set marked down to $413. What was the percentage decrease in the price of a TV set?

• 82.6%

• 87%

• 17.4%

• 25%

Tags

CCSS.6.RP.A.3C

Find the percent of change.

From 24 teachers to 30 teachers.

• 25% decrease

• 25% increase

• 20% decrease

• 20% increase

Tags

CCSS.6.RP.A.3C

Darren makes $10 per hour. Next semester, he will be making $14 per hour. What rate of increase does this represent? Round the answer to the nearest tenth of a percent.

• 28.5%

• 40%

• 71%

• 60%

Tags

CCSS.6.RP.A.3C

Calculate 25% of 80

• 20

• 80

• 48

• 95

Tags

CCSS.6.RP.A.3C

What is 15% of 82?

• 12.3

• 123

• 1.23

Tags

CCSS.6.RP.A.3C

What is 30% of 50?

• 16

• 16.3

• 17.4

• 15

Tags

CCSS.6.RP.A.3C

What is 90% of 250?

• 245

• 225

• 255

• 244.33

Tags

CCSS.6.RP.A.3C

What is 42% of 65?

• 23.7

• 25.3

• 27.3

Tags

CCSS.6.RP.A.3C