SOLUTION: 12 + 3/5f= 20

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Question 1005648: 12 + 3/5f= 20
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
From
12 + (3/5)f = 20
subtract 12 from both sides and get
(3/5)f = 8
Now multiply by 5/3 and get
(5/3)(3/5)f = (5/3)(8)
f = 40/3 = 13 1/3