Zack fills two bird feeders with birdseed. Each bird feeder holds  of birdseed. Zack's scoop holds  . How many scoops will Zack use to fill both bird feeders? Answer the questions to find out. Part A How many cups of seed does Zack need to fill both bird feeders? Show how you found your answer. Space used (includes formatting): 0 / 30000 Part B Write an expression for the number of scoops Zack needs to fill both feeders. Space used (includes formatting): 0 / 30000 Part C Evaluate your expression to find the number of scoops Zack needs. Show your work. Space used (includes formatting): 0 / 30000