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MAVERICK [17]
4 years ago
11

Alison has $1.60 worth of nickels and dimes in her coin purse. She has 11 more nickels than dimes. How many of each coin does sh

e have?
Mathematics
2 answers:
Sloan [31]4 years ago
5 0

I just took the test and nickles were 18, dimes were 7.

Hitman42 [59]4 years ago
3 0

n=11+d

0.05n +0.10d = 1.60

0.05(11+d) + 0.10d = 1.60

0.55 + 0.05d + 0.10d = 1.60

0.55 +0.15d =1.60

0.15d = 1.05

d = 1.05/0.15 = 7 dimes

7 +11 = 18 nickels

7 dimes = 7 *0.10 = 0.70

18 nickels = 0.05*18 = 0.90

0.90 +0.70 = 1.60


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