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30-09-2017
Mathematics

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Sarah is 8 years older than Tanya. Sarah's age is also 5/4 of Tanya's age. How old is each person?

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texaschic101 texaschic101

30-09-2017

s = t + 8
s = 5/4t

t + 8 = 5/4t
8 = 5/4t - t
8 = 5/4t - 4/4t
8 = 1/4t
8 * 4 = t
32 = t <=== tanya's age

s = t + 8
s = 32 + 8
s = 40 <== sarah's age

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