Debbie needs to fill juice cups for her little brother's birthday party. there are 20 juice cups and each juice cup holds 10 fluid ounces. the juice comes in 1-gallon bottles. how many 1-gallon bottles of juice will debbie need to purchase?
(1 quart = 32 fluid ounces, 1 gallon = 4 quarts)
a.1 bottle
b. 2 bottles
c. 3 bottles
d.4 bottles

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.