Solving compound inequalities

Question

It goes like that : Jan has a coupon for 10% off any digital camera at a local electronics store . she is looking at digital cameras that range from price $100 to $250 

 

a.How Much are the cameras after the coupon is used 

b.if the Tax amount is 6.5% how much should Jan expect to spend

Answer 1

10% off...100 tu 250$ become 90 tu 225$

add 6.5% tax...1.065*90=95.85....1.065*225=239.625