Question: Gina can paint six cups an hour with roses and 7 cups an hour with lilies. Her Etsy store gets an order for 6 rose cups and 14 lily cups. If Gina gets paid $90 total for the order, how much does she make per hour?
Answer: First find the total time to paint the rose cups: 6 cups / 6 cups / hour = 1 hour. Then find the total time to paint the lily cups: 14 cups / 7 cups / hour = 2 hours. Then add the painting time for each type of cup to find the total painting time: 1 hour + 2 hours = 3 hours. Then divide Gina's total earnings by the number of hours she works to find her hourly wage: $90 / 3 hours = $30 / hour. The answer is 30.

Question: Van Helsing gets paid by the town to remove all the vampires and werewolves. He gets $5 per vampire and $10 per werewolf. He removes half the vampires and removes 8 werewolves, and earned $105. There were 4 times as many werewolves as vampires. What percentage of the werewolves did he remove?
Answer: He earns $80 from werewolf removal because 8 x 10 = 80. He earned $25 from vampire removal because 105 - 80 = 25. He removed 5 vampires from town because 25 / 5 = 5. There were 10 vampires because 5 / .5 = 10. There were 40 werewolves because 4 x 10 = 40. The proportion of werewolves that he removed was .2 because 8 / 40 = .2. The percentage of werewolves removed was 20% because 100 x .2 = 20. The answer is 20.

Question: Shannon bought 5 pints of frozen yogurt, two packs of chewing gum, and five trays of jumbo shrimp from The Food Place for a total of $55 If the price of a tray of jumbo shrimp is $5 and a pack of chewing gum costs half as much as a pint of frozen yogurt, what is the price of a pint of frozen yogurt?
Answer: 5 trays of jumbo shrimp cost 5 x 5 = $25. 5 pints of frozen yogurt and 2 packs of gum in total cost 55 - 25 = $30. 2 packs of gum cost as much 2 / 2 = 1 pint of frozen yogurt. Therefore 5 + 1 = 6 pints of frozen yogurt costs $30. A pint of frozen yogurt costs 30 / 6 = $5. The answer is 5.

Question: A river is to be used for a boat race. If each boat is 3 feet across and they must have at least 2 feet between them or the riverbank, how many boats can race in a river that is 42 feet across?
Answer:
Each boat will require 3 feet across to fit itself and 2 feet space on one side for a total of 2 + 3 = 5 feet per boat. The last boat will need an additional 2 feet space on its other side, so this 2 feet should be subtracted first from the 42 feet which leaves 42 - 2 = 40 feet. 5 feet per boat on the remaining 40 feet for a total of 40 / 5 = 8 boats. The answer is 8.