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? a)7 b)9.75 c)6 d)3.25 e)7.125

Sandhya.Kishan

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• May 26th, 2012

Answer is c)6

11AM - 5PM = 6 hrs
rain increased 1.25 every 2 hrs
3. 3*1.25 = 3.75
total rain = 2.25 + 3.75 = 6

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