Answer:
7 minutes
Step-by-step explanation:
1000 stairs in 25 minutes
280 stairs in 280*25 / 1000 = 7 minutes
Answer:
20
Step-by-step explanation:
The formula for solving is 1/3 bh
So you base would be 10 and height would be 6.
Area would be 24
Answer: 27 books can go on the shelf
Step-by-step explanation: 27 divided by 1 1/8 is 27