An antique dealer buys an Edwardian bookshelf in England for $1700 and ships it to Australia at a cost of $250. After it is French-polished at a cost of $120, it is sold for $2500. Calculate the percentage profit on the cost price if the cost of advertising is $100 (incurred at time of sale).

Solve the system of equations. y= 2x y= x^2 - 15

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. a new supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which size bag provides the best deal, and how much will you save each month? compare the cost of the new supplier to the current one.

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?