Proportional Relationships Unit Test Based on the information in the table, what is the constant of proportionality?
Х.
5
10
15
20
25
Y
25
50
75
100
125
O k=8
Ok=20
O k=5
O k=10

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?