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14-09-2015
Mathematics

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one number is four less than three times another. if their sum is increased by five, the result is twenty-five. find the numbers

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alice2020324 alice2020324

14-09-2015

answer: 8 and 20
the numbers are x and y
x=3y-4, x+y+5=25
3y-4+5=25
3y=24
y=8

x=3(8)-4=20

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