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Yuki888 [10]
3 years ago
11

Last year sandro bought a book for $13.89. this year the same book cost $15.79. what is the percent of change

Mathematics
1 answer:
SashulF [63]3 years ago
4 0
15.79-13.89=1.9

1.9/13.89=0.14

14% change
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1/2x + 1/3y = 5<br> 1/4x + y = 10
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The answer for your question is (x,y)=(4,9)
8 0
3 years ago
Read 2 more answers
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