A man's age is 3 times that of his son and In 12 years he will be twice as old as his son would be. What are their present age? use linear equations
A man's age is 3 times that of his son and In 12 years he will be twice as old as his son would be. What are their present age? use linear equations
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and the son's age be y
x = 3y. -------( 1 )
x + 12 = 2(y + 12)
from ( 1 )
3y + 12 = 2y + 24
y = 12 years
x = 3y
= 3 × 12 = 36 years. ANSWER.
thanks...