How do you express the quotient of 15 and y?

Is it 15 over y?

yes.

Yes, the quotient of 15 and y can be expressed as "15 over y." This representation indicates that you divide 15 by the value of y. To understand this conceptually, think of "15 over y" as a fraction, where the numerator is 15 and the denominator is y. Dividing 15 by y means dividing the total quantity of 15 into equal parts determined by the value of y.