y/5.....the quotient of y and 5
14.1 - w....the difference of 14.1 and w
9n + 1....the product of 9 and a number (n), increased by 1
(z/8) - 9.....9 less then the quotient of z and 8
15 - (1.5/d) ....15 decreased by the quotient of 1.5 and a number (d)
