Karen makes $5 per hour babysitting and $12 per hour giving music lessons. one weekend, she worked a total of 18 hours and mad $139. how many hours did she spend babysitting?

If 24 people have the flu out of 360 people, how many would have the flu out of 900. choose many ways you could use proportion that david would use to solve this problem

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.

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount