Membership to a music club cost $40. members pay $20 per music lesson and non members pay $25 per music lesson. how many music lessons would have to be taken for the cost to be the same for members and non members?

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.