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You live in Pennsylvania and your grandparents live in Ohio. When you are in Pennsylvania, you drive an average rate of 55 mph.
When you are in Ohio, you drive an average
rate of 65 mph. The entire trip of 240 miles
takes 4 hours.
a) How long does it take to get from the
Pennsylvania-Ohio border to your grandparent’s house?
Answer in units of hours.

b) How long does it take to reach the
Pennsylvania-Ohio Border from your home?
Answer in units of hours.