Question 1107489: Sally is 6 years older than Juan, the sum of their ages is 35. How old are they
Answer by math_helper(2461)   (Show Source):
You can put this solution on YOUR website!
Sally being 6 years older than Juan means their ages can not add to 35.
If Juan's age is even, so is Sally's age and even+even = even
If Juan's age is odd, so is Sally's age and odd+odd = even
—
J+(J+6) = 35
2J = 29
J = 14.5 —> S = 20.5 <<<—— must resort to real numbers to answer, that is unusual.
—
|
|
|
