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Betty is three times as old as Kate. Two years ago, Kate was 1/4 as old as Betty. How old is Betty now?
5 years ago

Answers

Damon
b = 3 k
so k = b/3
k -2 = (1/4)(b-2)
b/3 - 2 = (1/4) (b-2) now multiply both sides by 12
4 b - 24 = 3 b - 6
b = 24 - 6 = 18
5 years ago

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