A man is 26 years older than his son. After 10 years, he will be three times as old as his son. Find their present ages.
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let the age of father be x years
and the age of son be y years
A.T.Q.
x = 26 +y ______(1)
x + 10 = 3 (y + 10) _______(2)
》x + 10 = 3y + 30
= x - 3y - 20 _____(3)
by eliminating method
x- 3y -20 =0
× - y - 26 = 0
- + +
_________
- 2y -6 = 0 =》 2y = 6
= y= 3
put the value of y in equation (1)
x = 26 + y =》x = 26 + 3
x = 29
the age of father is 29 years
and age of son is 3 years .
and the age of son be y years
A.T.Q.
x = 26 +y ______(1)
x + 10 = 3 (y + 10) _______(2)
》x + 10 = 3y + 30
= x - 3y - 20 _____(3)
by eliminating method
x- 3y -20 =0
× - y - 26 = 0
- + +
_________
- 2y -6 = 0 =》 2y = 6
= y= 3
put the value of y in equation (1)
x = 26 + y =》x = 26 + 3
x = 29
the age of father is 29 years
and age of son is 3 years .
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