You may want to include a question
The value of that expression is zero.
How many pages are their?
Answer:
Part a) 
Part b) 
Step-by-step explanation:
Part a) How many gallons of water will be in the pool after 20 minutes?
we know that
Using proportion

Part b) How many gallons of water will be in the pool after 1 hour
we know that
1 hour = 60 minutes
Using proportion

Answer:
The glass can hold 8. (I think)
Step-by-step explanation: