Sales of cases of soft drinks are up 20% from last year. you sold 500 cases of soft drinks during september of the previous year. based on current demand trends, what would the forecast be for total sales of cases of soft drinks for this september?

1. a music store marks up the instruments it sells by 30%. a. if the store bought a guitar for $45, what will be its store price? b. if the price tag on a trumpet says $104, how much did the store pay for it? c. if the store paid $75 for a clarinet and sold it for $100, did the store mark up the price by 30%?