Math, asked by chournaani, 1 year ago

If 3x+4:x+5 is the duplicate ratio of 8:15,find x

Answers

Answered by wixmatwishwa

13

(3x + 4 ):(x +5) = (8)^2:(15)^2
(3x +4)/(x+5) = 64/225
(3x+4)*225 =(x+4)64
x(675-64)=256 -900
x*411=-644
x=-644/411//

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