85 paper stars are required to fill a glass jar. Luke has already made 33 stars, but he needs to fill 4 bottles. How many more stars must Luke make? Give the rationale and then the answer.
Let's think step by step. Luke must make 85 x 4 = 340 stars in total. He needs to make another 340 - 33 = 307 stars.. The answer is: 307.

Sylvie is feeding her turtles. Each turtle needs 1 ounce of food per 1/2 pound of body weight. She has 30 pounds of turtles. Each jar of food contains 15 ounces and costs $2. How much does it cost to feed the turtles? Give the rationale and then the answer.
Let's think step by step. She needs 60 ounces of food because 30 / .5 = 60. She needs 4 jars of food because 60 / 15 = 4. It will cost $8 to feed them because 4 x 2 = 8.. The answer is: 8.

Jaron wants to raise enough money selling candy bars to win the Nintendo Switch prize. He needs 2000 points for the Nintendo Switch. He has already sold 8 chocolate bunnies that are worth 100 points each. Each Snickers bar he sells earns 25 points. How many Snickers bars does he need to sell the win the Nintendo Switch? Give the rationale and then the answer.
Let's think step by step. Jaron has earned a total of 8 * 100 points = 800 points. To win the Switch he needs to earn 2000 - 800 = 1200 points. Therefore, he needs to sell 1200 / 25 = 48 Snickers bars.. The answer is: 48.