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19-03-2017
Mathematics

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One third of a number is 15 less than five sixths of the number. Find the number.

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19-03-2017

1/3(x) = 5/6(x) - 15
2/6(x) = 5/6(x) - 15
15 = 1/2(x)
x=30

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19-03-2017

n/3=5n/6 -15

2n/6=5n/6-90/6

2n=5n-90

3n=90

n=30

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