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Mathematics

6th -

7thgrade

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Percent of Change

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19 questions

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  • 1. Multiple Choice
    2 minutes
    1 pt
    Kyla and her parents went out to dinner. The cost for the family’s dinner was x dollars. The amount of money her parents left the waiter, which included tax and a tip, can be written using the expression 1.24x. What could this expression mean?
    The tax and tip together were 24% of the total bill.
    They left the waiter $1.24 for tax and tip.
    The tax was 24% of the bill, and they left the waiter a 1.00 tip.
    They left the waiter $.28 for the tax and tip.
  • 2. Multiple Choice
    2 minutes
    1 pt
    Comics Are Us is having a sale on comic books. If you purchase one comic book at full price (100%), you can purchase a second one at a 25% off, and a third comic book for a 50% discount off the original price. Which expression shows the cost of buying THREE comic books if the original price of each comic book is c?
    1.25c
    0.75c
    2.25c
    1.75c
  • 3. Multiple Choice
    1 minute
    1 pt
    A store raised the price on watermelons 12%. The original price for each was “x”
    dollars. Which expression shows the new price of the watermelons?
    x + 1.12
    x • .12
    x + .12x
    x + .12
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