SOLUTION: What equation using substitution can you make from the word problem �Your mom says there are three time as many quarters then fifty cent pieces. She knows the amount is $11.25 but

Question 1097234: What equation using substitution can you make from the word problem �Your mom says there are three time as many quarters then fifty cent pieces. She knows the amount is $11.25 but does not know how many of each kind
Found 2 solutions by jorel1380, Boreal:
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
Let q be quarters and f be half-dollars. Then q=3f. So:
25q+50f=1125
then:
75f+50f=1125
125f=1125
f=9
q=27
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Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
x= 50 cent pieces
3x= quarters
.50x + .25(3x)=11.25
1.25x=11.25
x=9 50 cent pieces
3x=27 quarters. This is $4.50+$6.75=$11.25
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