Meeting 46963

A single person would paint a fence in 6 hours with a roller. How long would it take him to paint the wall with a brush if you know that two people, one with a meeting and the other with a roller, were done in 5 hours?

Correct answer:

t2 =  30 h

Step-by-step explanation:

t1=6 h t=5 h  t  (1/t1+1/t2)= 1  t (t2/t1+1)=t2 5 (t2/6+1)=t2  t2=30  t2=130=30  t2=30=30 h



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