An aquarium holding african cichlids is 4 inches higher than it is wide. its length is 30 inches, and its volume is 4200 cubic inches. what is the length and width?

How many $20 bills do you need to have to make $280

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?

The product of 3 and a number increased by 8 is 31 written as an equation