Mathematics, 10.12.2020 04:40 unknownroses

a cleaning crew always uses a 10% disinfectant solution on very delicate surfaces. but today the crew only has a 50% disinfectant solution. if the crew needs 25 liters of 10% solution how many liters of water and how many liters of the 50% disinfectant should they mix

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a cleaning crew always uses a 10% disinfectant solution on very delicate surfaces. but today the cre...