SOLUTION: sheri's younger brother had a backyard carnaval wherehe earned $8 in dimes and nickels. he has twice as many dimes that nickles. how many dimes does he have

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Question 243048: sheri's younger brother had a backyard carnaval wherehe earned $8 in dimes and nickels. he has twice as many dimes that nickles. how many dimes does he have
Answer by JimboP1977(311) About Me  (Show Source):
You can put this solution on YOUR website!
Let D = number of dimes and N=number of nickels.
D=2N
D+2N=8
D+D=8
2D=8
D=4
So the number of dimes represents $4. So this must mean there are 40 dimes ($4/$0.10) and 80 nickels ($4/$0.05).