Peter had a pocketful of dimes. Charlene had the same amount in quarters but had 15 fewer coins. How much money did Peter have?

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I don't know the proper format

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Answer 1 · 2018-04-20T04:16:58

#2# Dollars and #50# cebts

.

Let's define parameters:

#x=# the number of dimes Peter had

#y=# the number of quarters Charlene had

#10x=25y#

#x=y+15#

#10(y+15)=25y#

#10y+150=25y#

#15y=150#

#y=10#

#x=y+15=10+15=25#

#10(25)=250# cents or #250/100=2.5# Dollars