PLEASE HELP ME FAST I NEED HELP PLEASE

2. 3ft per second and 4ft per second

3. 9 cars every minute and 10 cars per minute

4. 48 miles per hour and 46 miles per hour

5. $3.5 for one box and $3.25 for one box

Step-by-step explanation:

2. 12/4 and 20/5

You have to split it up per second. Therefore dividing it will show you how fast it is moving per second.

3. 72/8 and 60/6

You have to split it up per minute. Therefore dividing it will show you how fast it is moving per minute.

4. 144/3 and 230/5

You have to split it up per hour. Therefore dividing it will show you how fast it is moving per hour.

5. 21/6 and 13/4

You have to split it up per box. Therefore dividing it will show you how much each box costs.

its c or d   take a lucky guess my dude