What is the value of log E 100

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?

What does independent variable and dependent variable mean in math?