Taylor Swift CD’s sell for $10 and Selena Gomez CD’s sell for $15. If a music store sold 18 CD’s and worth $240, how many of each CD did they sell?

Afurniture store has 1,500 chairs in storage. a manager uses three delivery receipts to simulate samples to check 100 chairs and note the number of brown chairs. suppose the actual number of brown chairs is 1,080. about how many brown chairs are

Don't know how to find x given these segment lengths

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums. what is the probability that the applicant who gets the job plays drums or guitar?