20 gallons is consumed from the first car and 25 gallons is consumed from the second car.
<h3>What is an Equation ?</h3>
A mathematical statement that relates two algebraic expression using an equal sign is called an equation.
It is given that
Fuel Efficiency of the first car is 20 miles per gallon of gas
Fuel Efficiency of the second car is 40 miles per gallon of gas
Total miles travelled = 1400 miles
Total gas consumption = 45 gallons
Let the gallons consumed from the first car is x
then the gallons consumed by the second car is (45 - x)
The equation formed will be
20* x + 40 * (45 -x) = 1400
20x +1800 - 40x = 1400
-20x = -400
x = 20
Therefore 20 gallons is consumed from the first car and
45-20 = 25 gallons is consumed from the second car.
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