(1b) A sign in front of a roller coaster says "You must be 40 inches tall to ride." What percentage of this height is 54 inches?

(a)  

(2a) At a hardware store, a tool set normally costs $80. During a sale this week, the tool set costs $12 less than usual. What percentage of the usual price is the savings?

(a)  

(3) A bathtub can hold 80 gallons of water. The faucet flows at a rate of 4 gallons per minute. What percentage of the tub will be filled after 6 minutes?

(a)  

(5a) The sale price of every item in a store is 85% of its usual price. The usual price of a backpack is $30, what is its sale price?

(a)  

(5b) The sale price of every item in a store is 85% of its usual price. The usual price of a sweatshirt is $18, what is its sale price?

(a)  

(5c) The sale price of every item in a store is 85% of its usual price. The usual price of a soccer ball is $24.80, what is its sale price?

(a)