Question: A 20 person classroom is filled with 40% girls. If 5 new boys join the classroom, what is the new percentage of girls in the class?
Answer with step-by-step thinking: The number of girls in the classroom is 20 * 40% = 8 girls. Before new boys join, the number of boys in the classroom is 20 - 8 = 12 boys. If 5 new boys join, the new number of boys is 12 + 5 = 17 boys and the new total is 20 + 5 = 25 total people. The new percentage of girls in the class is 8 girls / 25 total people = 32%.
So the answer is 32.


Question: Bobby buys two packets of candy. He eats two candies every day from Monday through Friday and takes one each during the remaining days of the week. If it takes him 3 such weeks to finish the 2 packets, how many candies are in a packet?
Answer with step-by-step thinking: He eats 2 each from Monday through Friday for a total of 2 * 5 = 10 candies. He eats 1 each every other day of the week (Saturday and Sunday) for a total of 1 * 2 = 2 candies. In a week, he consumes a total of 10 + 2 = 12 candies. Doing this for 3 weeks, he will consume 3 * 12 = 36 candies. If 2 packets contain 36 candies, then 1 contains 36 / 2 = 18 candies.
So the answer is 18.


Question: Lyra has an $80 budget for a week to spend on food. If she bought 1 bucket of fried chicken that costs $12 and 5 pounds of beef that cost $3 per pound. How much is left on her weekly budget?
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.
user
Five pounds of beef cost $3 x 5 = $15. So Lyra spent a total of $12 + $15 = $27. Therefore, $80 - $27 = $53 is left on her weekly budget.
So the answer is 53.