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worty [1.4K]
3 years ago
11

1. The distance you travel varies directly with the amount of gas you use. You can travel 300 miles on 12 gallons of gas.

Mathematics
2 answers:
mihalych1998 [28]3 years ago
7 0

1.

y = distance traveled

x = gallons of gas used

k = slope of the graph between distance traveled and gallons of gas used

slope is given as

k = 300 miles / 12 gallons

k = 25 miles/gallon


so the equation can be written as

y = 25 x


2.

given : y = 750 miles

using the equation

y = 25 x

inserting the values

750 = 25 x

x = 30 gallons


3.

c = cost per gallon = $3.75

c = total cost

Total cost is given as

Total cost = Cost per gallon x number of gallons

C = c x

C =  $3.75 (30)

C = $112.5

Ratling [72]3 years ago
5 0

Answer is in the attachment

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