Answer:
70cm
Step-by-step explanation:
You need to provide the last question. There isn’t enough information to help you. I’m sorry

We're going to change one unit at a time. Let's start with inches to feet. There are 12 inches in 1 foot. Divide 240 by 12 or multiply by 1/12.

Next, let's do the time using the same idea. Remember that there are 60 minutes in 1 hour.

Answer: 1200 feet per hour
Hope this helps!
3 x (7+2) all you have to do is add 7+2 and that is 9 and then you have to multiply 3 x 9