Respuesta :
This can be determined by using simple mathematical concepts. Thus, 6 gallons of gas would be needed to travel 156 miles.
Given:
Madeline's car used 15 gallons to travel 390 miles.
To obtain the gallons of gas would she need to travel 156 miles.
Now find gallon of gas for 1 mile. So, divide 390 by 15 we get,
[tex]\dfrac{390}{15} =\bold{26\:miles/gallon}[/tex]
Car used 1 gallon to travel 26 miles.
Therefore, calculate it for 156 miles.
[tex]\dfrac{156}{26} =\bold{6\:gallon}[/tex]
Thus, 6 gallons of gas would she need to travel 156 miles.
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https://brainly.com/question/20666540