Barry is shopping for a new sweater that originally cost $50.00. the department store has all items marked down by 20%. he also has a coupon for an additional 10% off all purchases

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.