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.

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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