Question

What is the value of `(3x+8y)/(x-2y)` if `x/(2y)=2`?

Answer 1

The answer is: `10`.

Since `x/(2y)=2` than `x=4y`,

so:

`(3*(4y)+8y)/(4y-2y)=(12y+8y)/(2y)=(20y)/(2y)=10`.