Jacob weighs 64 pounds. Together, he and his sister weigh eight pounds more than two times the wei ght of his sister. What is the weight, w, of Jacob's sister? 64+ w = 2w

How many glue sticks are in a basket containing 96 scissors, if the ratio of glue sticks to scissors is 19 to 57.

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.