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24-09-2019
Mathematics

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A positive number is 5 times another number if wee subtract 1 from the larger and add 3 to the smaller then one of them becomes 3 times the other

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24-09-2019

Make the big number x and the small y
5y=x; x-1=(y+3)3; now substitute. 5y-1 = 3y+9. 2y=10 y is 5x is 25

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