SOLUTION: the total value of the nickel and dimes is a bank 2.20 there are four more dimes than nickels find the number of dimes

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Question 357908: the total value of the nickel and dimes is a bank 2.20 there are four more dimes than nickels find the number of dimes
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi,

Let x represent the number of nickels. Number of dimes would then be (x+4)

Write as we Read

5x + 10(x+4) = 220cents

Simplify and Solve

5x + 10x + 40 = 220

15x = 180

x = 12  the number of nickels

12+4 = 16 the number of dimes

checking our answer

5*12 + 10*16 = 60 + 160 = 220cents