SOLUTION: A person is riding a bicycle. After 1 hour the rider is 128 miles from the interstate. After 4 hours the rider is 161 miles from the interstate. A)How fast is the cyclist traveli

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Question 1107851: A person is riding a bicycle. After 1 hour the rider is 128 miles from the interstate. After 4 hours the rider is 161 miles from the interstate.
A)How fast is the cyclist traveling?
B) Find the slope-intercept form modeling the situation
C)How far was the cyclist from the highway after 1 hour and 15 minutes?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Three hours difference, 128-161=33 miles change.
Find rate.

y=mx+b, and m=33%2F3=11. Pick either point for b; (1,128) or (4,161).
You finish.