Answer
Find out the how many sports trophies does Amy have .
To prove
Let us assume that the number of sports trophies Amy have be x.
As given
Amy has two rows of 4 sports trophies on each of her three shelves.
Than the equation becomes
x = 2 × 4 × 3
simply multiply the above terms
x = 24
Therefore there are 24 sports trophies Amy have .