SOLUTION: amy is driving to miami. suppose that the remaining distance to drive is a linear function of her driving. when graphed the function gives a line with a slope of -0.9. amy has 53 m

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Question 1131698: amy is driving to miami. suppose that the remaining distance to drive is a linear function of her driving. when graphed the function gives a line with a slope of -0.9. amy has 53 miles remaining after 44 minutes of driving. how many miles will be remaining after 62 minutes of driving
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
y, distance remaining, miles
x, time used, minutes

y=-0.9x%2Bb

Point described is (44, 53),
-
b=y%2B0.9x
b=53%2B0.9%2A44
b=92.6
-
highlight%28y=-0.9x%2B92.6%29
Note that x%3E=0 required.

The question----------
36.8miles

Answer by ikleyn(52786) About Me  (Show Source):
You can put this solution on YOUR website!
.
One line solution: 

    how many miles will be remaining after 62 minutes of driving = 53-0.9*(62-44) = 36.8 miles.     ANSWER