



 
Hi Charlene, I can get you started. Think of the data given in terms of rates. For example the large hose will fill the pool in 40 minutes so it is filling the tank at the rate of at $\large \frac{1}{40}$ pools per minute. Is that enough of a hint for you to complete the problem? Penny  


Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences. 