As her senior project, julie has decided to raise money for a charity by hosting a spaghetti dinner. in order to have the dinner, she had to borrow $100 to rent the hall from her parents (which they expect to get back.) she is going to make $6 for every dinner purchased. part 1: write an algebraic expression to describe the amount of money julie will raise for any number of dinners purchased. part 2: describe what the variable represents in this situation.