Mr. fink's economy car can travel 420 miles on a 12 gallon tank on gas. determine how many miles he can travel on 8 gallons

280 miles.

Step-by-step explanation:

We know that the distance traveled by vehicle is proportional to the  gallons of gas in it.

Let x be the distance traveled in 8 gallons.

Given : Mr. fink's economy car can travel 420 miles on a 12 gallon tank on gas.

By proportionality , we have

Hence, distance traveled in 8 gallons = 280 miles.

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk

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step-by-step explanation: