<span>To provide consistent ways to identify and classify organisms as they are being studied.</span>
Well we know that he sold 20 glasses every hour. if h is the number of hours he worked we know the expression would be 20h
1 hr = 20 glasses
2 hr = 40 glasses
3 hr = 60 glasses
Keep the pattern going to figure out which hour he got his 100th glass sold.
Answer:
I think its C if I’m wrong sorry
Step-by-step explanation: