Jewel Cases Store A sells 10 CD jewel cases for $9. Store B sells 15 CD jewel cases for $12. How much money will you save if you buy 30 CD jewel cases at the store with the lower unit price?
ASSIGNMENT 1. Saltwater The salinity of saltwater is the ratio of the mass of the salt in the water to the mass of the salt and fresh water mixed together. a. A sample of saltwater is made by mixing 3 grams of salt with 75 grams of water. Find the salinity of the sample. b. […]