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A girl is now one fourth as old as her father and in 7 years she will be one half as old as her father was 12 years ago Find their present ages?
Wiki User
∙ 16y ago
G = Girl's present age F = Father's present age 4G = F G +7 = 1/2 (F - 12) By substitution: G + 7 = 1/2 (4G - 12); G = 13 By plugging in the value of G = 13; F = 52 The girl is presently 13 and her father is 52.
Wiki User
∙ 16y ago
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