Answer:
2912
Step-by-step explanation:
Your question wording is a little confusing but here's the steps:
She drinks 56 glasses of water each week.
There's 52 weeks in 1 year.
56 times 52 = 2912.
huh
20
In class 1, they used 10 sweet potatoes.
If they need 30, in class 2, they used 20.
I think the answer is 43