SOLUTION: Mark had 3 times as many quarters as nickels. He had $1.60 in all. How many nickels and how many quarters did Mark have?

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Question 703238:


Mark had 3 times as many quarters as nickels. He had $1.60 in all.
How many nickels and how many quarters did Mark have?
Found 2 solutions by MathLover1, checkley79:
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
let quarters will be 3x and nickels will be $x
if Mark had 3 times as many quarters as nickels, and if he had $1.60 in all, than 0.25%2A3x%2B0.05x=1.6:
0.75x%2B0.05x=1.6
0.80x=1.6
x=1.6%2F0.80
x=2.....nickels
and 3%2A2=6 quarters

Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
.25*3X+.05X=1.60
.75X+.05X=1.60
.80X=1.60
X=1.60/.80
X=2 NICKELS.
3*2=6 QUARTERS.
PROOF:
.25*6+.05*2=1.60
1.50+.10=1.60
1.60=1.60