Get Going with Rate: Activity 2 of 3

As the story goes, Superman is faster than a speeding train. Let's say a speeding train travels 450 miles in 3 hours. We know that Superman can move at least that fast. What is his minimum speed?

Choose the formula you would use to solve this problem. Type 1, 2, or 3 for your answer.

1) D=RxT

2) R=D/T

3) T=D/R