tjsprott tjsprott

10-04-2021
Mathematics

contestada

It takes Paul 9 hours longer than Li Ming to paint a house. Working together they can do the job in 20 hours. How long would it take Li Ming, working alone, to paint the house ?

Respuesta :

thewaveoftruth thewaveoftruth

10-04-2021

Li Ming can paint the whole house in 10 hours

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