SOLUTION: Two rainstorms occurred in one week in a certain area. In the first rainstorm 15ml of rain fell per hour, and in the second rainstorm 25ml of rain fell per hour. Rain fell that we

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Question 36878: Two rainstorms occurred in one week in a certain area. In the first rainstorm 15ml of rain fell per hour, and in the second rainstorm 25ml of rain fell per hour. Rain fell that week for a total of 50 hours for a total rainfall of 950ml . How long was each of the two rainstorms?

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
15T+25(50-T)=950 OR 15T+1250-25T=950 OR -10T=-300 OR T=300/10 OR T=30 HOURS
PROOF 15*30+25(50-30)=950 OR 450+1250-750=950 1700-750=950 OR 950=950