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Anuta_ua [19.1K]
3 years ago
14

You have a piggy bank containing a total of 106 coins in dimes and quarters. If the piggy bank contains $17.05, how many dimes a

re there in the piggy bank? There are how many dimes in the piggy bank.
Mathematics
1 answer:
diamong [38]3 years ago
4 0

Answer:

63 dimes

Step-by-step explanation:

Set up a system of equations where d is the number of dimes and q is the number of quarters:

d + q = 106

0.1d + 0.25q = 17.05

Solve by elimination by multiplying the top equation by -0.25 to eliminate q:

-0.25d - 0.25q = -26.5

0.1d + 0.25q = 17.05

Add together and solve for d:

-0.15d = -9.45

d = 63

So, there were 63 dimes in the piggy bank

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The table of values of the function y = 2x^2 is:

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