Question: Hank is raising money for the local homeless shelter. Hank makes $100 in a carwash and donates 90% of the proceeds to the local homeless shelter. Hank makes $80 in a bake sale and donates 75% of the proceeds to the local homeless shelter. Then he makes $50 mowing lawns and donates 100% of the proceeds to the local homeless shelter. How much money does Hank donate in total?
Answer with step-by-step thinking: From the carwash, Hank donates $100 * 0.90 = $90. From the bake sale, Hank donates $80 * 0.75 = $60. From mowing lawns, Hank donates $50 * 1.00 = $50. Hank donates a total of $90 + $60 + $50 = $200.
So the answer is 200.


Question: Elyse had 100 pieces of gum. She gave half to her brother Rick. He gave half of his to his friend Shane. Shane chewed 11 pieces of gum. How many pieces does Shane have left?
Answer with step-by-step thinking: Elyse gave half of her 100 pieces of gum, or 100 / 2 = 50 pieces of gum, to Rick. Rick gave half of his 50 pieces of gum, or 50 / 2 = 25 pieces of gum, to Shane. Shane had 25 pieces of gum and chewed 11, so he had 25 – 11 = 14 pieces of gum left.
So the answer is 14.


Question: Carmen had 28 cats and 18 dogs before she gave 3 of the cats up for adoption. How many more cats than dogs does Carmen have now?
Answer with step-by-step thinking:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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First find the number of cats Carmen has left: 28 cats - 3 cats = 25 cats. Then subtract the number of dogs from the number of cats to find the difference: 25 cats - 18 dogs = 7 more cats.
So the answer is 7.