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joejoe18 joejoe18
  • 14-01-2016
  • Mathematics
Answered

Nat spent $28 on 8 DVDs. At this rate, how much would 5 DVDs cost? What is the unit rate?

Verified Answer :

wildbeast75
wildbeast75 wildbeast75
  • 14-01-2016

5 DVDs would cost 7.50 and the unit rate is 3.50

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ajordan26
ajordan26 ajordan26
  • 14-01-2016

You first have to find the rate of the DVDs. To do this you need to divide $28 by the number of DVDs, 8. 28/8 equals 3.5 so that means that a single DVD costs $3.50. To find the rate of 5 DVDs you need to multiply the rate of a single DVD by 5: 3.50 x 5= 17.50
5 DVDs costs $17.50 and the unit rate is $3.50 per DVD

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