John and William leave their home traveling in opposite directions on a straight road. John drives 20 miles per hour faster than William. After 4 hours they are 250 miles apart.
a. Define a variable for John's rate. Write an expression for William's rate.
b. Write and solve an equation to find John's rate. Then find William's rate.

2. Originally Posted by melbelle719
John and William leave their home traveling in opposite directions on a straight road. John drives 20 miles per hour faster than William. After 4 hours they are 250 miles apart.
a. Define a variable for John's rate. Write an expression for William's rate.
b. Write and solve an equation to find John's rate. Then find William's rate.
You have stated elsewhere that, by posting these exercises with no work shown, you are meaning to ask for lessons on the apparent topic. So here ya go!

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