Write and solve an inequality:
a full-year membership to a gym costs $325 upfront with no monthly
charge. a monthly membership costs $100 upfront and $30 per month
for what numbers of months is it less expensive to have a monthly membership?

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.