Respuesta :

Answer:

A. 200 miles/hour

Step-by-step explanation:

600 divided by 3, since division is the opposite of multiplication we can multiply:

3 X 150 = 450

3 X 50   = 150

we can add 150 and 50 together to get 200 and that's your answer

Answer:320

Step-by-step explanation:

After working it out, then checking with calculator, I got 320 every time.