SOLUTION: callie is 4 years older than andrew. in 3 years the sum of their ages will be 52. how old is each now? i have have to solve each problem by creating a chart, writing an algeb
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Question 555758: callie is 4 years older than andrew. in 3 years the sum of their ages will be 52. how old is each now? i have have to solve each problem by creating a chart, writing an algebraic equation and then solving it Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! A key to age problems is the fact that the difference in
two peoples ages remains the same throughout their lives.
This is obvious, but often overlooked
Let = Andrew's age now = Callie's age now = Andrew's age in 3 yrs = Callie's age in 3 yrs
You can have columns headed , , ,
and the last column is
Under the last column you have for the sum of their ages
Now find with
Now work your way back to the 1st 2 columns
