Question

the present age of the father is 3 years more than three times the age of his son. three years hence the father's age will be 10 years more than twice the age of his son determine their percent age​

Answer 1

Answer

let

father's present age be 'x' years

his son's age be 'y'years

ATQ

x=3(3+y)

x-3y=9_______{1}

three years from now

father's age (x+3)

son's age (y+3)

(x+3)=2(y+3)+10

x+3=2y+6+10

x-2y=13__________{2}

By elimination method

by subtracting {1} and {2}

x-2y=13

x-3y=9

y=4..............{3}

Substitute {3} in {1}

x-3(4)=9

x-12=9

x=21......

Father's present age is 21

His son's present age is 4

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