Question

Jill has a closet filled with dresses. She has 8 green dresses, 5 white dresses, 3 red dresses, and 2 blue dresses. Since the room is dark, she can't see the colors. She would like to have 2 dresses of the same color. How many dress does she have to take until she is assured of having at least two dresses of the same color?

Answer 1

Answer choices: 3, 4, 5, 6, 8

My answer: 8. If so why?

Answer 2

jill needs to go shopping for some jeans.

Answer 3

8 green 5 white, 3 red, 2 blue
18 total dresses need 2 of same color
4 green, 2 white, 1 red, 1 blue

Answer 4

Could you explain your last line?

Answer 5

Number on left represent the number of pairs. Number on right/2 = one pair
4x2=8 Green
2x2= 4 white
1x2= 2. There are Only 3 red Need a pair /2 So only 1 Red pair
1x2= 2

Answer 6

Could you explain your last line?

Answer 7

Got it!! Thanks