Simplify the ratio $11x:18x$11x:18x.

Simplify the ratio $17x^2:3x^2$17x2:3x2.

Simplify the ratio $32x:13x^2$32x:13x2.

Simplify the ratio $58xy:35xy$58xy:35xy.

Apply direct and inverse relationships with linear proportions

Apply numeric reasoning in solving problems