SOLUTION: When u reverse the digits of age of father u will get the age of son. one year ago the age of father was twice that
of son's age. what are the current ages of father and son?
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-> SOLUTION: When u reverse the digits of age of father u will get the age of son. one year ago the age of father was twice that
of son's age. what are the current ages of father and son?
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Question 337123: When u reverse the digits of age of father u will get the age of son. one year ago the age of father was twice that
of son's age. what are the current ages of father and son?
You can put this solution on YOUR website! When u reverse the digits of age of father u will get the age of son.
10x + y = father's age
10y + x = son's age
:
one year ago the age of father was twice that of son's age.
10x + y - 1 = 2(10y + x - 1)
10x + y - 1 = 20y + 2x - 2
10x - 2x = 20y - y - 2 + 1
8x = 19y - 1
x = y -
Only one set of single digit integers will satisfy this equation
y = 3; x = 7
:
what are the current ages of father and son?
Dad is 73, son is 37
:
Check one year ago
Dad is 72, son is 36, half Dad's age
