Algebra-solving a word problem

Reference no: EM13119993

Problem: Two rainstorms occurred in one week in a certain area. In the first storm 30 ml of rain fell per hour, and in the second storm 20 ml of rain fell per hour. Rain fell that week for a total of 35 hours for a total rainfall of 900 ml. How long was each storm?

Reference no: EM13119993

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