In 1995, the enrollment of two schools X and Y were 1,050 and 1,190 respectively….

Explanation

Divide cash enrollment by their common factors then the answer of each division gives the required ratio. i.e. x = \(\frac{1050}{70}\) = 15

and y = \(\frac{1190}{70}\) = 17

ratio of enrollment of x to y = 15:17