Question: Justice has 3 ferns, 5 palms, and 7 succulent plants in her house. If she wants a total of 24 plants in her home, how many more plants does she need?
Answer with step-by-step thinking: Justice currently has 3 + 5 + 7 = 15 plants in her house. Justice needs 24 - 15 = 9 more plants.
So the answer is 9.


Question: Before he lost one, Policeman O'Brien had 5 more than twice as many hats as fire chief Simpson. If fire chief Simpson has 15 hats, how many hats does Policeman O'Brien now have?
Answer with step-by-step thinking: Twice as many hats as fire chief Simpson has is 2 * 15 = 30 hats. 5 more than 30 hats is 30 + 5 = 35 hats. One less than 35 hats is 35 - 1 = 34 hats.
So the answer is 34.


Question: Ann, Bill, Cate, and Dale each buy personal pan pizzas cut into 4 pieces. If Bill and Dale eat 50% of their pizzas and Ann and Cate eat 75% of the pizzas, how many pizza pieces are left uneaten?
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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In total, there are 4 x 4 = 16 pizza pieces. Bill and Dale eat 2 x 4 x 50% = 4 pieces. Ann and Cate eat 2 x 4 x 75% = 6 pieces. The four of them eat 4 + 6 = 10 pieces. There are 16 - 10 = 6 pizza pieces uneaten.
So the answer is 6.