Question 1131554: Melissa's brother is 7 years old. Three years ago she was as old as he is now. How old will Melissa be in 4 years? Found 2 solutions by josgarithmetic, ikleyn:Answer by josgarithmetic(39617) (Show Source):
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Melissa's brother is 7 years old.
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call b, the age for Melissa's brother.
b=7.
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Three years ago she was as old as he is now.
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m, for Melissa.
- ----------Melissa is currently 10 years of age.
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How old will Melissa be in 4 years?
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Three years ago, she was 7 years old - hence, now she is 10 years old, and in 4 years she will be 14 years old.
Second grade level, when they even do not know what an equation is . . . and how to solve them . . .
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