Lee buys his co-workers at the pharmacy doughnuts in the morning for $2 a doughnut.  he also makes an afternoon trip to the same bakery to purchase the same number of doughnuts to take home but the price has been reduced to $1 a doughnut. let x represent the number of doughnuts lee has purchased. write an expression that represents these purchases.

Idont understand math at all! : o( use this scenario to answer the remaining questions: brenton purchased a new bedroom set for $4,500.00. he lives in arizona and pays a 8.75% sales tax. if he made a 50% down payment and financed the rest, what amount did he finance? what is the total sales tax brenton will pay? enter your answer in currency format, round to the nearest cent. what was brenton's total amount financed? enter your answer in currency format, round to the nearest cent.