SOLUTION: A student did 3/5 of his homework and 8 more problems. Then his father came and did one fifth of the homework and the remaining 7 problems. How many problems did they solve?

Question 1033379: A student did 3/5 of his homework and 8 more problems. Then his father came and did one fifth of the homework and the remaining 7 problems. How many problems did they solve?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A student did 3/5 of his homework and 8 more problems. Then his father came and did one fifth of the homework and the remaining 7 problems. How many problems did they solve?
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Let "x" be the total # of problems:
(3/5)x + 8 + (1/5)x + 7 = x
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(4/5)x + 15 = x
(1/5)x = 15
x = 75 problems
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Cheers,
Stan H
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