Reasoning & answer: CoT: Mimi has 2 x 12 = 24 sea shells. Kyle has 24 x 2 = 48 sea shells. Leigh has 48 / 3 = 16 sea shells.
The answer: 16
Question: Mimi picked up 2 dozen seashells on the beach. Kyle found twice as many shells as Mimi and put them in his pocket. Leigh grabbed one-third of the shells that Kyle found. How many seashells did Leigh have?

Reasoning & answer: CoT: The second protest was 4 * .25 = 1 day longer than the first. So the second protest was 4 + 1 = 5 days. Thus he spent 4 + 5 = 9 days protesting.
The answer: 9
Question: John attends a protest for 4 days. He then attends a second protest for 25% longer than the first. How many days did he spend protesting?

Reasoning & answer: CoT: Peter runs 3 miles more than Andrew's 2 miles, so he runs 3 + 2 = 5 miles. Peter runs 5 miles a day and Andrew runs 2 miles so they run 5 + 2 = 7 miles a day. If they run 7 miles a day then over a course of 5 days they run 7 * 5 = 35 miles.
The answer: 35
Question: Peter and Andrew like to run in the morning. Peter runs 3 miles more than Andrew's 2 miles. After 5 days, how many miles have they both run?

Reasoning & answer: CoT: After the 50% discount, the t - shirt cost 20 * 0.5 = $10. So in all, the 4 friends spent 4 * $10 = $40.
The answer: 40
Question:
4 friends went to buy from a clothes shop. Every item was 50% off. All four friends decided to buy a t-shirt. The original price of the t-shirt was 20 dollars. How much money did they spend in total?