SOLUTION: One fourth of a two digit number exceeds its one fifth by 4. What is the two digit?

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Question 206087: One fourth of a two digit number exceeds its one fifth by 4. What is the two digit?
Answer by stanbon(75887) About Me  (Show Source):
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One fourth of a two digit number exceeds its one fifth by 4. What is the two digit?
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(1/4)(10t+u) = (1/5)(10t+u)+ 4
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(1/4)-(1/5) = 1/20
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(1/20)(10t+u) = 4
10t+u = 80
t = 8 and u = 0
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Cheers,
Stan H.