One bar of candy a and two bars of candy b have 778 calories. two bars of candy a and one bar of candy b contain 785 calories. find the caloric content of each candy bar

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?