SOLUTION: Jose has $1.25 in 5-cent and 10-cent coins. He has 3 times as many 5-cent coins as that of 10-cent coins. Find the number of 5-cent coins and 10-cent coins.
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Question 160724This question is from textbook
: Jose has $1.25 in 5-cent and 10-cent coins. He has 3 times as many 5-cent coins as that of 10-cent coins. Find the number of 5-cent coins and 10-cent coins.
This question is from textbook
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
.05*3x+.10x=1.25
.15x+.10x=1.25
.25x=1.25
x=1.25/.25
x=5 10 cent pieces.
3*5=15 5 cent pieces.
Proof:
.05*15+.1*5=1.25
.75+50=1.25
1.25=1.25
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