24% of 40

I need it worked out pls thank uuu:)

Find the balance at the end of 4 years if 1000 is deposited at the rate of

What is the missing step in this proof ?

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?