Respuesta :
Answer:
59.7
Step-by-step explanation:
you divide 39.80 by 10
then times it with 15 and get your answer
It cost $59.7 to buy 15 gallons of the gas.
It costs him $39.80 to buy 10 gallons of gas.
What is the Ratio?
The ratio can be defined as the comparison of the fraction of one quantity towards others. e.g.- water in milk.
For, 10 gallons = $39.80
1 gallons = $3.98
Now,
multiply both side by 15
15 gallons = 15 x $3.98
15 gallons = $59.7
Thus, It cost $59.7 to buy 15 gallons of the gas.
Learn more about Ratio here:
brainly.com/question/13419413
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