SOLUTION: Mark is two years older than Buddy. In a year from now, Mark will be twice as old as Buddy. Find their present ages

Question 1137349: Mark is two years older than Buddy. In a year from now, Mark will be twice as old as Buddy. Find their present ages
Answer by ikleyn(52864) (Show Source): You can put this solution on YOUR website!
.

Let x be the Buddy age now.


Then Mark is (x+2) years old.


Then the condition states


(x+2) + 1 = 2(x+1).


Simplify and solve


x + 3 = 2x + 2

3 - 2  = 2x - x.

1 = x


ANSWER.  Buddy is 1 years old.  Mark is 1+2 = 3 years old.


CHECK.   In  a year  B= 2,   M = 3+1 = 4,  and  4 is twice as 2.   ! Correct !

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