SOLUTION: If, in 7 years, Susan will be 2 times as old as she was 3 years ago, what is Susan’s present age?
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Question 1081988: If, in 7 years, Susan will be 2 times as old as she was 3 years ago, what is Susan’s present age?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
let Susan’s present age be:
in years, Susan will be:
years ago she was:
and if will be times .........solve for
so, Susan’s present age is
check:
present age is
in years, Susan will be:
years ago she was:
.........which confirms our result
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