A chemical company makes two brands of antifreeze. First brand is 60 percent pure and the second is 85 percent pure. In order to obtain 60 gallons of a mixture 80 percent pure how many gallons of each are needed

Cameron made 1 loaf of bread. his family ate 4/6 of the loaf of bread. how much of the loaf of bread remains? /

Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighbor’s kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?

Is this a polynomial function? i need to know asap