jaleyasopretty8 jaleyasopretty8

01-09-2018
Mathematics

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Maggie's brother is 4 years younger than three times her age. The sum of their ages is 32. How old is Maggie?

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sqdancefan sqdancefan

01-09-2018

Maggie is as old as she was a bit ago: 9 years old.

If 4 is added to the sum, it is 4 times Maggie's age. Thus, her age is 36/4 = 9.

_____

(maggie's age) + (3×(maggie's age) -4) = 32

4×(maggie's age) = 36 . . . . . . . . . . simplify, add 4

(maggie's age) = 36/4 = 9

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