Question

if x:y=4:5 then find 8x+4y÷3x+2y=?

Answer 1

x/y=4/5
x=4/5y
=8*4/5y+4y/3*4/5y+2y
=32y+4y/12y+2y
=36y/14y
=18/7 =18:7

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