SOLUTION: Lisa is driving to Miami. Suppose that the remaining distance to drive (in miles) is a linear function of her driving time (in minutes). When graphed, the function gives a line wi
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Question 1149874: Lisa is driving to Miami. Suppose that the remaining distance to drive (in miles) is a linear function of her driving time (in minutes). When graphed, the function gives a line with a slope of -0.95. See the figure below. Lisa has 40 miles remaining after 33 minutes of driving. How many miles will be remaining after 53 minutes of driving? Answer by ikleyn(52790) (Show Source):
The fact that the slope is -0.95 means that her rate is 0.95 miles per minute.
The time from 33 minute driving to 53 minutes is 20 minutes.
Hence, the remaining distance after 53 minutes driving is 40 - 20*0.95 = 21 miles. ANSWER
