23-10-2017
Mathematics

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Bruce bought 2 books one book costs $4.00 more than three times the other. together , the two books cost him $72 . How much does each book cost?

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coleashten1 coleashten1

23-10-2017

it is $15 for each book

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Аноним Аноним

23-10-2017

x+(3x+4)=72
4x+4=72
x=68
x=17
One book was 17 dollars and the other was 55.

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