Asked by Irene Wu
Kim has $4.75 in nickels and dimes. If she has twice as many dimes as nickels, how many of each coin does she have?
Answers
Answered by
kudum
0.05n + 0.1d = 4.75
d = 2n
0.05n + 0.1(2n) = 4.75
0.25n *100 = 4.75 8100
25n = 475
25n/25 = 475/25
n = 19
d = 2n
d = 2(19)
d = 38
dimes = 38
nickels =19
d = 2n
0.05n + 0.1(2n) = 4.75
0.25n *100 = 4.75 8100
25n = 475
25n/25 = 475/25
n = 19
d = 2n
d = 2(19)
d = 38
dimes = 38
nickels =19
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