Which number has a 3 with a value that is 100 times greater than the value of the 3 in 20.342?

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.

What are two numbers that have a sum of 15

How is the interquartile range calculated?