Your answer is correct actually
Answer

step by step Explanation
The functions given are


We want to find:

This implies that

Let us now simplify

This implies that

Combine the terms to get,

Answer:
7 7/80 or 7.0875
Step-by-step explanation:
product is the result of multiplication
7/8 * 81/10 = 567/80 = 7 7/80 or 7.0875
You can fit 2 in each or 3 can have some in it