alberga
posted by Anonymous .
3r5s=4 5r+3s=16 elimination method

3r5s= 4
5r+3s= 16
Multiply the 1st equation by 5 and the second by 3...
15r25s= 20
15r+9s=48
Subtract both
34s= 68
divide by 34
s=2
substitute
3r10= 4
3r=6
r=2 
sixty is 5/6 of what number

60*6
DUH!
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