Question

Juan's father is 4 times as old as Juan.Twenty-two years from now he will be twice as old as Juan.What are their ages now?

My work-
4(F)=J
22(2)=J
F = 4J

(F+22) = 2(J+22)

Substitute 4J for F in the second equation and solve for F. Insert that value into the first equation to solve for J. Check by putting both values into the second equation.

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