Claire is paid $90 for 5 hours of work.

a) How many hours did she work if she receives $162?

b) How much will she gets if she works for 11 hours?

2. A good taste of lemonade juice requires 4 cups of water for every 3 scoops of lemonade powder.

a) How many cups of water needed for 15 scoops of lemonade powder?

b) How many scoops of lemonade powder needed for 11 cups of water?