A small plane flies 760,320 yards in 2 hours. Use the formula d = rt, where d represents distance, represents rate, and t represents time to answer the following questions. Show your work.
Part A: Rearrange the distance formula, d = rt, to solve for rate. (2 points)
Part B: Find the plane's rate in yards per hour. (3 points)
Part C: Find the plane's rate in miles per hour. (3 points)
Part D: Which unit, yards, or miles, makes more sense to use in this scenario, and why? (2 points)
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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.