Let d= number of dimes
q= number of quarters
d=2q
.25q+.10d=4.50
.25q+.10(2q)=4.50
.25q+.20q=4.50
.45q=4.50
q=10
d=2q
d=2(10)
d=20
Therefore, there are 10 quarters totaling $2.50 and 20 dimes totaling $2.00.
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7 quarters 2 dimes 4 nickels
12 quarters and 6 dimes 2(.25x) + .10x = 3.60 50x + 10x = 360 60x = 360 x = 6
Chen has 8 nickels, 2 dimes, and 6 quarters.
7 nickels, 4 dimes, 3 quarters
Coin or banknote: Quantity: dollars half-dollars quarters dimes nickel pennies cents dollars half-dollars quarters dimes nickels pennies cents 4 quarters equals: 4 quarters equals 1 dollar