Answer:
7/8
Explanation:
The pizza was divided into 8 slices, as a fraction that's 8/8. The children ate 3 slices, leaving 5/8 of a pizza, then mummy ate 4 slices, leaving 1/8 of a pizza left. So, in total they ate 7/8 of a pizza.
B
I'm just guessing because I cant elaborate on just the question
standard English
just did it
c