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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

Respuesta :

waltermanethan

Answer:

20 gallons

Step-by-step explanation:

105/15=7

7*20=140
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

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