word problem help (several problems)?

Question

1. One serving of prime rib at Sam's Restaurant is five / sixth of a pound. How much prime rib is need to serve 30 people?

2. How man three/ fourth ounce dispensers can be filled from a container that holds 40 ounces of eye drops?

3. A soup recipe calls for six and five sevenths cups of chicken broth. How much chicken broth is needed to double the recipe?

4. A piece of licorice is 16 and three/ fourths long. How long is each piece of licorice if you divide it among 5 children?

5. Hank uses 4 and a third cans of oil to change the oil in his truck. Each oil can contains 5 and a Fourth ounces of oil . How many ounces of oil did he use?