SOLUTION: A van travels 220 miles on 10 gallons of gas. Find how many gallons the van needs to travel 550 miles

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Question 428498: A van travels 220 miles on 10 gallons of gas. Find how many gallons the van needs to travel 550 miles
Answer by algebrahouse.com(1659) About Me  (Show Source):
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"A van travels 220 miles on 10 gallons of gas. Find how many gallons the van needs to travel 550 miles"

Set-up a proportion:

220 miles / 10 gallons = 550 miles / x gallons {set up the proportion}
220x = 5500 {cross-multiplied}
x = 25 {divided both sides by 220}

25 gallons to travel 550 miles
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