A store is having a sale on chocolate chips and Walnuts. For 3 pounds of chocolate chips and 5 of walnuts, The total cost is $19. For 9 pounds of chocolate chips and 7 pounds of walnuts, the total cost is $35. Find the cost for each pound of chocolate chips and each pound of walnuts.

Fred has a total of 62 dvd and cd. if the number of cd is three more than two times the number of dvd, how many cd does he have?

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

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. ?