# Father 7

Father is 6 times older than his son. After 4 years, the father will only be 4 times older. What are their present ages?

Result

f =  36
s =  6

#### Solution:

f=6s
f+4 = 4(s+4)

f-6s = 0
f-4s = 12

f = 36
s = 6

Calculated by our linear equations calculator.

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Showing 1 comment:
Jessie
Nice problem

#### To solve this example are needed these knowledge from mathematics:

Do you have a system of equations and looking for calculator system of linear equations?

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