Answer: B
Step-by-step explanation:
Distance traveled in 35 minute = 2 miles.
So distance traveled in one minute = 2/35 (miles/minute)
= 0.0572 miles / minute.
So distance traveled in one hour , we can find by multiplying it from 60.Because in one hour there is 60 minute.
SO distance traveled in one hour = 0.0572 * 60
= 3.432 miles / hour.
You multiply 86 by 42.5 because each board is 42.5 and there are 86 boards.
Answer:
21
Step-by-step explanation: