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chonawilson4
19.05.2020 •
Mathematics
Ben and his two friends are going on a 1,500-mile road trip. The car uses 3 and one-fourth gallons of gas every 100 miles. Gas costs $3.80 per gallon.
If Ben and his two friends split the cost of the gas evenly, how much will they each pay?
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Ответ:
Each will pay $61.75.
Step-by-step explanation:
How many gallons were used?
Each 100 miles, 3 + 1/4 = 3 + 0.25 = 3.25 gallons are used. The trip has 1500 miles.
100 miles - 3.25 gallons
1500 miles - x gallons
Cost
Each gallons costs $3.80.
48.75 gallons cost 48.75*3.80 = $185.25
Split among the three friends envenly, how much will each pay?
185.25/3 = 61.75
Each will pay $61.75.
Ответ:
73.5 = 12.25x
(Divide both sides by 12.25)
6 = x
So, she bought six shirts.