Percent And Rate Combined Quiz

8 questions

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#1 of 8: Mild

Percent change in unit rate (word problems)

A candy store that was initially selling `40` lollipops for `$10` is now selling `50` lollipops for `$15`. Was there a percent increase or decrease in the price of a lollipop? What is the percent change in the unit price of a lollipop?

#2 of 8: Mild

Percent change in unit rate (word problems)

While an electronics store was offering a storewide discount, Alex bought 4 sets of earbuds for $65. After the sale ended, he went back to buy 2 more sets of earbuds and found that the price had been increased by 30% now that the sale was finished. How much did Alex pay for the 2 sets of earbuds that he bought after the sale was over? Round to the nearest cent.

#3 of 8: Medium

Percent change in unit rate (word problems)

During office hours, a parking lot charges John $45 for 9 hours of parking. After office hours, he keeps his car in the parking lot for another 3 hours. After office hours, the parking lot reduces the hourly parking rate by 30%. How much does John pay to park his car in the lot for the 3 hours after office hours?

#4 of 8: Medium

Percent change in unit rate (word problems)

In January, Aaron purchased 3 sets of school uniforms for $135. In October, he had to purchase 1 more set. The price per set of school uniforms has decreased by 16% between January and October. How much did Aaron have to pay for the set of uniforms he purchased in October?

#5 of 8: Medium

Percent change in unit rate (word problems)

Yesterday Mia read `120` pages of her favorite novel in `4` hours. Today she read `50` pages in `2` hours. Was there a percent increase or decrease in her hourly rate of reading ? What is the percent change in Mia's hourly rate of reading?

#6 of 8: Medium

Percent change in unit rate (word problems)

An online website was initially selling `3` bottles of hand sanitizer for `$7.50`. To attract more customers, they began selling `5` bottles for `$10`. What is the percent change in the unit price for one bottle of hand sanitizer?

#7 of 8: Spicy

Percent change in unit rate (word problems)

A stationery shop sells `6` erasers for `$1.80`. During a sale, the shop sells `10` erasers for `$1.80`. What is the percent change in the unit price of an eraser?

#8 of 8: Spicy

Percent change in unit rate (word problems)

Last year, Justin was able to fill his car"s tank with 17.5 gallons of gasoline for $56.35. Today he made a purchase of 16 gallons of gasoline. The price per gallon of gasoline has decreased by 6% between last year and today. How much did Justin pay for the 16 gallons of gasoline that he purchased today? Round to the nearest cent.

The percentage has applications in almost every concept of mathematics. At the same time, the rate signifies the amount of quality with respect to others or a change in amount with time; percent represents the amount as a part of the whole. The Percent and rate Quiz tests students’ knowledge of calculating rates in a percentage format or percent change in rates of any quantity.

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Grade 7

Percents

7.RP.A.3