Respuesta :

Answer:

6

Step-by-step explanation:

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.

For further details, please prefer this link:

https://brainly.com/question/20666540