Two tributaries

Two tributaries of the pool fill it in 10 hours. One of the tributaries would fill 15 hours. How long would fill the first tributary?

Final Answer:

x =  30 h

Step-by-step explanation:

t=10 h t2=15 h  xt2xt+1=0 15x10x+1=0  x/15x/10+1=0  x=30=30 h   Verifying Solution:   w=x1+t21=301+151=301+302=301+2=303=101=0.1



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