Asked by pavlina
joe had four times as many dimes as pennies in her pocket. she spent two dimes and got two pennies in change. Now she has three times as many dimes as pennies. jo started with how many dimes?
Answers
Answered by
bobpursley
d=4P
(d-2)=3(P+2)
that should do it, two equations, two unknowns. Put them in standard form..
d-4P=0
d-3P=8
solve for d, P
(d-2)=3(P+2)
that should do it, two equations, two unknowns. Put them in standard form..
d-4P=0
d-3P=8
solve for d, P
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