If the value of X and Y in the fractions XZ/Y are both tripled, how does the value of the fraction change?

If the value of X and Y in the fractions XZ/Y are both tripled, how does the value of the fraction change?

A Increases by one third

B triples

C doubles

D remains the same

Solution

Correct Answer: Option D

(xz)/y and (3xz)/(3y) (3xz)/(3y) = [(3)(xz)]/[(3)(y)] = [(3)/(3)][(xz)/y]