The density of apple juice is 1.05 grams per cm3 The density of fruit syrup is 1.4 grams per cm3 The density of carbonated water is 0.99 grams per cm3 25cm3 of apple juice are mixed with 15cm3 of fruit syrup and 280 cm3 of carbonated water to make the drink have a volume of 320 cm3. Work out the density of the drink

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.