Astadium has two sponsorship deals. deal a has revenue of $100,000 and expenses of $10,000. deal b has revenue of $50,000 and expenses of $20,000. what is the stadium's average profit as a percentage of revenue on these two deals? a) 20% b) 65% c) 80% d) 100%

How to solve a simultaneous equation involved with fractions?

The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. how many cups of pear juice should she use to make 20 cups of punch?