3 years ago

1 tank of propane holds 5 gallons and will last 12 hours. how many gallons of propane is needed for 240 hours.

Mathematics

2 answers:

MAVERICK [17]3 years ago

8 0

5 gallons x gallons

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

12 hours 240 hours

using cross products

5 * 240 = 12 * x

1200 = 12 x

divide each side by 12

1200/12 = 12x/12

100 =x

You will need 100 gallons

Anni [7]3 years ago

6 0

If 5 gallons lasts 12 hours we can find the rate

12/5 = 2.4

This is how long each gallon lasts divide this into 240

240/2.4 = 100

100 gallons of propane will be needed.

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