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16-01-2018
Mathematics

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I Olivia brought t boxes of tissue at $ 2.50 each and used a coupon. The amount of money (A) she spent is spent is represented by this equation : A =2.50 t -1.25, if Olivia spent $13.75 ,how many boxes of tissue did she buy?

Respuesta :

16-01-2018

13.75=2.50t-1.25; 15=2.50t, so t=6 boxes of tissues

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