Question

If `y=166` when `x=83`, what is `y` when `x=23`?

Answer 1

`y` is `46`.

Explanation:

Use proportions:

`(y_1 / x_1) = (y_2 / x_2)`

`(166 / 83) = (y_2 / 23)`

Multiply by `23` on both sides:

`(166 / 83) * 23 = y_2`

`46 = y_2`