SOLUTION: Mr. Jacob is 55 yr old and Tom is 7 yrs old. In how many yrs will Mr. Jacob be 4 times as old as Tom?

Question 907791: Mr. Jacob is 55 yr old and Tom is 7 yrs old. In how many yrs will Mr. Jacob be 4 times as old as Tom?
Found 2 solutions by stanbon, ewatrrr:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Mr. Jacob is 55 yr old and Tom is 7 yrs old. In how many yrs will Mr. Jacob be 4 times as old as Tom?
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Equation:
55+x = 4(7+x)
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55+x = 28 + 4x
3x = 27
x = 9 years
Ans:: In 9 years
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Cheers,
Stan H.
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Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
x the number of years before Mr. Jacob will be 4 times as old as Tom
55+x = 4(4+x)
39 = 3x
13years = x, the number of years before Mr. Jacob will be 4 times as old as Tom
Checking...
68 = 4(17)
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