yuser470 yuser470

20-08-2018
Mathematics

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One number is 4 times another. their product is 16 times their sum. find the numbers.

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lesliekolleroxrkcf lesliekolleroxrkcf

21-08-2018

let the 2 numbers be x and y. then x=4y. xy=16(x+y)
4y²=16(5y)
4y²-80y=0
4y(y-20)
y=0 or y=20
x=4*20=80

the numbers are 20 and 80

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