need help with these two questions

1. Eight students in Ms. Reese's class decided to purchase their textbook from two different sources. Some of the students purchased the textbook from the college bookstore for$15.50. The rest of the students purchased the textbook from an online discount store for$12.00per book. If the total amount spent by the eight students is $113.50, how many students purchased the book online?

Answer:

students purchased the book online.

question 2 is the screen shot

A wholesale club offers two types of memberships. The Executive Membership is $98 per year, including an annual 4% reward. The Business Membership is $50 per year without a reward. The total cost for membership, y, depends on the amount of money spent on merchandise, x, and can be represented by the following equations: Executive Membership: y : 98 *0.04x Business Membership: y = 50 Cost of Membership vs. Amount Spent A )7 120 100 Executive Membership Bl) 60 40 Bus e55 Mem ershi Cost of Membership ($) 20 0 1000 2000 3000 4000 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 $U of merchandise is purchased. x 6)