Question

The table shows the amount of gasoline g (in gallons) left in your tank after you travel m miles.

Miles, m Gallons, g
0 20
20 19
40 18
60 17
A) Write a linear function that relates the amount of gasoline to the traveling distance.

B) How many gallons of gasoline are left after you drive 120 miles?

Answer 1

Answer:

A) $y=-\frac{1}{20}x+20$

B) 14 gallons of gasoline