Joe has quarters,dimes ,and pennies.he has twice as many quarters as pennies.he also has 5 more dimes than pennies.the total value of the coins is $6.60.how many of each type of coin does he have
Michael V.
answered 12/22/19
Retired military service member with 10+ years teaching experience
Q=2P
D=5+P
P=P
Q+D+P=660
25(2P)+10(5+P)+1(P)=660
50P+50+10P+P=660
61P+50=660
61P=610
P=10
Q=2P
Q=2(10)
Q=20
D=5+P
D=5+10
D=15
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