Final answer:
To calculate the cost per gallon of gasoline, divide the total cost by the total number of gallons. William's cost per gallon is $3.19 after dividing $47.85 by 15 gallons.
Step-by-step explanation:
William bought 15 gallons of gasoline for $47.85. To find the cost for 1 gallon of gasoline, you divide the total cost by the number of gallons. Using the given information:
- Total cost of gasoline = $47.85
- Total gallons of gasoline = 15 gallons
Cost per gallon =
Total cost of gasoline ÷ Total gallons of gasoline
Cost per gallon = $47.85 ÷ 15
Cost per gallon = $3.19
Therefore, the cost for 1 gallon of gasoline is $3.19.
To find the cost of 1 gallon of gasoline, we need to divide the total cost by the number of gallons. In this case, William bought 15 gallons for $47.85. So, to find the cost of 1 gallon, we divide the total cost ($47.85) by the number of gallons (15):
Cost per gallon = Total cost / Number of gallons
Cost per gallon = $47.85 / 15
Cost per gallon = $3.19
Therefore, the cost for 1 gallon of gasoline is $3.19.