A wholesale club difers two types of memberships. The Executive Membership is $93 per year, including an annual 10% reward. The Business Membership is $40 per year without a reward. The total cost for membership, y, depends on the amount of money spent on merchandise, x, and can be represented by the
following equations:
Executive Membership: y = 93 -0.1x
Business Membership: y=40
Cost of Membership vs. Amount Spent
120
100
Executive Membership
Cost of Membership (S)
Business Membership
3000
5000
Amount Spent ($)
According to the graph, how much money spent on merchandise would result in the same cost for each membership?
The same cost occurs when s of merchandise is purchased.
х 5