Estimate of the product of 9/4 x 15/2

A. 135/8
B. 8
C. 30
D. 16

To multiply fractions, we multiply the numerators together and the denominators together.

9/4 x 15/2 = (9 x 15)/(4 x 2) = 135/8

Therefore, the estimate of the product is 135/8.

Therefore, the answer is A. 135/8.