Madams

During the spring cleaning, ladies were going to wash the windows. Mother takes to wash all the windows 5 hours, the grandmother takes 3 times longer, and Paula washes all windows in 2 hours. How many hours will you spend washing the windows of this "women's team" if working together?

Correct answer:

x =  1.3 h

Step-by-step explanation:

51+151+21=x1 x=1.3 h



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