3n=30+3n(n-4) Find n. .-.
2 answers:
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Answer:
$7.55
Step-by-step explanation:
We have been given that at a local gas station regular gasoline sale for $2.89 per gallon while premium gasoline sale for $3.39 per gallon. We are asked to find the amount saved by a person on buying 15.1 gallons of regular gasoline.
First of all, we will find amount saved on buying 1 gallon of regular gasoline as:
To find amount saved on buying 15.1 gallons of regular gasoline, we will multiply $0.5 by 15.1 as:
Therefore, a person will save $7.55 on buying 15. gallons of regular gasoline.