SOLUTION: Sue's father is 6 times as old as she is. In 4 years, he will be 4 times as old. How old are they now?

Question 808782: Sue's father is 6 times as old as she is. In 4 years, he will be 4 times as old. How old are they now?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
f = 6s
f + 4 = 4(s + 4)
f + 4 = 4s + 16
f = 4s + 12
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6s = 4s + 12
2s = 12
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Answer:
s = 6
f = 36
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