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You have quarters and dimes. altogether you have 42 coins with a total value of $7.65. how many of each do you have? write a system of equations and solve.

You have quarters and dimes. altogether you have 42 coins with a total value of $7.65. how many of each do you have? write a system of equations and solve.
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You have quarters and dimes. altogether you have 42 coins with a total value of $7.65. how many of each do you have? write a system of equations and solve.

User David Ruttka
by
7.4k points

1 Answer

4 votes
Quarters = x, Dimes = y.
x + y = 42
.25x + .10y = 7.65
Use those equations to find the matrix.
User Dko
by
9.0k points
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