The amount of time t (in hours) that it takes to fill a swimming pool varies inversely with the pumping rate r(in kiloliters per hour). the constant of variation is 4. find how long it will take to fill the pool when the pumping rate is 3.2 kl/hr
a.) 12.8 hrs
b.) 1.25 hrs - apex
c.) 7.2 hrs
d.) 0.8 hrs