Carly lived 9 miles from natalie. during finals week, she planned to travel back ans forth drom carly's house five times. a full tank of gas would last 306 miles in carly's car. if carly filled her car up just before starting her first trip to natalie's, how many miles would she have left in her tank after driving home at the end of the week?

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c. y = 1/4 x + 5

step-by-step explanation:

first, put the equation of the line on the graph into slope-intercept form

(y = mx + b):   y = -4x + 8

second, a perpendicular line has to have "an opposite/reciprocal slope" to the original slope. so, find the "m" value in your original equation (it's -4, right? )

original slope: m = -4   perpendicular slope: change the sign to its opposite and find the reciprocal ("flip" the number)

new slope is now positive (b/c the original slope was negative 4), and it's 1/4 (not the original slope of 4 or 4/1)