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10-10-2016
Mathematics

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Lynn has $8.58 in quarters and pennies. If she has eight time as many pennies as quarters, how many of each does she have?

Respuesta :

10-10-2016

0.25Q + .01P = 8.58
P=8Q

0.25Q + .01(8Q) = 8.58
0.25Q + .08Q = 8.58
0.33Q=8.58
Q=26

P=8(26)=208

26 quarters and 208 pennies.

0.25(26) + .01(208) = 6.5 + 2.08 =8.58

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