Amy has a total of 560 marbles, She has five times as many small marbles as medium marbles. The number of large marbles is two more than three times the number of medium marbles. How many of each size does she have?

4 answers

Let m = number of medium marbles
s = 5m
L = 3m +2
m + 5m + (3m+2) = 560
Solve for m, then s and L.
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