.19 A high concentrated solution having a volume of 120 liters is mixed by 9% alcohol and 24% gasoline. It was found out that a 50-50 percent mixture is also appropriate in the solution. How much gasoline (liters) should be added to the high concentrated solution in order to have the 50-50 % mixture?

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Q: Pumps that lift surface water and move it to a nearby treatment plant are called:

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Q: Q2-In Oil Refineries the wastewater unit have flow rate 600 m3 hr. the oil have densit 0.77gm/ce,…

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Storm Sewers and Detention

The storm drains system transports rainwater or stormwater and other runoff from roads, parking lots, and roof downpipes directly to nearby creeks, rivers, or the sea without any treatment.