SOLUTION: The sum of a & b is 43 yrs. 11yrs later, a’s age will be {{{7/6}}} times b’s age. Find b age? 22 20 24 19

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Question 768389: The sum of a & b is 43 yrs. 11yrs later, a’s age will be 7%2F6 times b’s age. Find b age?
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Answer by josgarithmetic(39627) About Me  (Show Source):
You can put this solution on YOUR website!
a%2Bb=43 and %28a%2B11%29%2F%28b%2B11%29=7%2F6
The second equation can be reworked,
a%2B11=%287%2F6%29%28b%2B11%29
6%28a%2B11%29=7%28b%2B11%29
6a%2B66=7b%2B77
6a-7b=77-66
6a-7b=11

system is highlight%28a%2Bb=43%29 and highlight%286a-7b=11%29