Math Question Ed'd profit on "good luck" cards in 2018 was £360
this was a decrease of 20% on his profit in 2017
work out ed'd profit on good luck card in 2017

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?