6th grade
posted by Kelsey .
For every 25 mm of rain falling on the avarage home, 5000 L runs off the roof. Some people use barrels to collect this rain water. Cecila's town usually has 2625mm of rain each year. How many litres of water can be collected by using barrels?

6th grade 
bobpursley
litersofWater=2525mm * 5000L/25mm
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