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Sue took her collection of nickels and dimes to deposit in the bank. She has five fewer nickels than dimes. Her total deposit was $54.05. How many dimes did she deposit?
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Sue took her collection of nickels and dimes to deposit in the bank. She has five fewer nickels than dimes. Her total deposit was $54.05. How many dimes did she deposit?

User Plujan
by
8.6k points

1 Answer

2 votes
there are 309 dimes... think of it like this
5(d + 7) + 10d = 4670
5d + 35 + 10d = 4670
15d + 35 = 4670 then you take that and subtract on both sides cancelling out the 35


15d = 4670 - 35
15d = 4635
d = 4635/15
d = 309
User UbiQue
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8.2k points
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