Consumer Math Problems Quiz

7 questions

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#1 of 7: Mild

Find original amount given percent change (word problems)

A credit card company charges a late fee of `10%` on all late payments. Last month, Jamal was charged a late fee so the total amount of his payment was `$275`, which included the late fee. What was the balance that Jamal would have paid the credit card company if he did not have the late fee added?

#2 of 7: Mild

Find original amount given percent change (word problems)

At a department store sale, sweaters are being sold for `$46` after a discount. This selling price is `23%` of a sweater’s original price. What is the price of a sweater before the discount?

#3 of 7: Spicy

Find original amount given percent change (word problems)

Lina hiked several miles in the morning. In the afternoon she only hiked `6` miles, which was `45%` less than she had hiked in the morning. How many miles did Lina hike in the morning? <highlight data-color="#666" data-style="italic">Round to the nearest tenth of a mile.</highlight>

#4 of 7: Spicy

Find original amount given percent change (word problems)

At a sanctuary, the number of nesting turtles has decreased by `10%`, compared to last year. This year there were `234` nesting turtles. How many nesting turtles were at this sanctuary last year?

#5 of 7: Medium

Find original amount given percent change (word problems)

Adam purchased a new set of lawn furniture for his backyard. The delivery person helped him put together the furniture, so Adam gave him a `20%` tip. Adam paid a total of `$360` for the furniture and tip. What was the actual purchase price of the lawn furniture?

#6 of 7: Medium

Find original amount given percent change (word problems)

The value of an antique mirror has increased by `40%` since Mary bought it last year. The value of the mirror is now `$350`. What price did Mary originally pay for the antique mirror?

#7 of 7: Medium

Find original amount given percent change (word problems)

Ann increased the quantity of all the ingredients in a recipe by `60%` to make enough to feed her whole family. She used `80` grams of cheese in the final recipe.How much cheese did the original recipe call for?

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Original amount is the amount that is given before any changes were made to it. To find the original amount given percent change, simply subtract the increase in the value by the final value. This will give you the original value. Percentage change is also applicable for various purposes in real life too. For example, finance, to understand the ups and downs of a stock and the rest of it. Teachers can share th...

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Grade 7

Percents

7.RP.A.3