From 7:00 AM to 11:00 AM it rained 2.25 inches. At 11:00 AM
the rain increased to fall at a rate of 1.25 in. every two
hours. How many inches of rain landed on the ground by 5:00 PM?

Answer Posted / manikandan

7am to 11am the ground level 2.25
after every two hr increased by 1.25
i.e 11-1pm increased by 2.25+(1.25+2.25)
1-3pm inc.by 2.25+3.5+(1.25+3.5)
3-5 2.25+3.5+4.75+(1.25+4.75)


The Ans is 2.25+3.5+4.75+6=16.5

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