At the zoo, there are lions, tigers, bears, and monkeys. there are 2 lions. the number of lions and the number of tigers together equals the number of monkeys. there are 2 bears for every lion, and there are 3 tigers for every bear. what is the total number of lions, tigers, bears, and monkeys at the zoo?

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?