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A boat can travel 105 miles on 15 gallons of gasoline. How much gasoline will it need to go 140 miles? 90 gallons 980 gallons 20 gallons 35 gallons
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2 votes
A boat can travel 105 miles on 15 gallons of gasoline. How much gasoline will it need to go 140 miles?

90 gallons
980 gallons
20 gallons
35 gallons

User Todor Kostov
by
3.5k points

2 Answers

4 votes
20 gallons
First you have to find the ratio or unit rate so 105/15= 140/x x is the gasoline needed so when you cross multiply you get 2100/105x divide both sides by x and you get 20
User StephenPAdams
by
3.2k points
4 votes

Answer:

20 gallons

Explanation:

105/15=7

7*20=140

User Puneet Singh
by
3.5k points
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