Math, asked by sahil0111patel, 11 months ago

If x:y = 3:4 , then find the ratio of [7x -4y] : [3x + y] .​

Answers

Answered by chandprayukta
2

ANSWER

If x:y = 3:4 then

on solving

x/y=3/4

i.e x=(3/4)y______EQ^N(1)

to find the ratio of [7x -4y] : [3x + y] .​

[7x -4y] : [3x + y]

=(21y-16y)/(9y+4y) ((ON SUBSTITUTING VALUE FROM EQUATION 1))

=5Y/13Y

=5:13

Answered by tanyaprasad1216
1

.......got the answer...it's 5:13.

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