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1tank of propane holds 5 gallons. 1 tank will last 12 hours. how many tanks will I need to to last 30 days if i use 8 hours a day.

User Carri
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2 Answers

1 vote
The answer would be 20
User Pendor
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if you are using the tank 8 hours a day for 30 days

that is 8*30 = 240 hours

1 tank x tanks

---------- = -------------

12 hours 240 hours


using cross products

1 * 240 = 12 * x

240 = 12 x

divide each side by 12

240/12 = 12x/12

20 = x

You will need 20 tanks

User Chris Sullivan
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9.1k points
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