Suppose shirts are one of 4 colors (red, blue, purple and green) and pants are either black or brown. an outfit consists of a shirt and pants. what is the minimum number of people that need to be in a room together to guarantee that at least two of them are wearing same-colored outfits?

What is the smallest integer n such that n\sqrt{2} is greater than 20

The cash price of a television is $580.the hire-purchase price of the television is $865.the hire-purchase price is an initial deposit of n% of the cash price and 6 equal monthly payments of $120.find the value of n.

Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $