How do you solve andrea  is  selling  candles  as  a
fundraiser.    she  spent  $50  on  supplies  for
making  the  candles.    she  plans  to  sell  the  candles  for  $10  each.    the 
functions  of  her  revenues  can  be  modeled  by  c(x)  =  10x-50.
what  are  the  domain  and  range  of  the function?

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?

Dots sells a total of 279 t-shirts ($2) and shorts ($4). in april total sales were $670. how many t-shirts and shorts did dots sell?