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15-11-2018
Mathematics

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Ann uses the equation y=7.75x to calculate the total cost y in dollars for x posters. How much would she spend on 7 posters?

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ann0218511 ann0218511

15-11-2018

here we have the equation figure out the total cost for the amount of posters she is going to buy!

x=posters

y= dollars

here we have 7 posters so just plug in 7 for x in y=7.75x

y=7.75(7)

just calculate it and you will get 54.25

54.25 = total cost for 7 posters!!!

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