Question: An orphaned kitten was only 4 inches when he was found. In the next two weeks, he doubled in length, and by 4 months old, he had double in length again. What is its current length?
Answer: In two weeks, the kitten measured 4 x 2 = 8 inches. 4 months later, the kitten measured 8 x 2 = 16 inches. The answer is 16.

Question: A cookfire burns three logs every hour. It was built with six logs to start. If it gets two more logs added to it at the end of every hour, how many logs will be left after 3 hours?
Answer: After 3 hours, it will have 3 * 2 = 6 logs added to it. After 3 hours, it will have burned 3 * 3 = 9 logs. After 3 hours, the cookfire will have 6 + 6 - 9 = 3 logs left. The answer is 3.

Question: The number of Christmas presents David found was twice as many as the number of birthday presents. If David found a total of 60 Christmas presents, how many presents did he get all together?
Answer: The number of birthday presents that David found is 60 / 2 = 30. For his birthday and Christmas, David found a total of 30 + 60 = 90 presents. The answer is 90.

Question: Karl sells clothing in his store. He sells a T-shirt that costs $5, some pants that cost $4, and some skirts that cost $6, he also sells some refurbished t-shirts that cost half the original price. How much is his total income if he sold two T-shirts, one pair of pants, four skirts, and six refurbished T-shirts?
Answer:
The refurbished T - shirt costs $5 / 2 = $2.5. He earn $2.5 x 6 = $15 for the refurbished T - shirt. He can earn $5 x 2 = $10 for the T - shirts. He can earn $4 x 1 = $4 for the pants. He can earn $6 x 4 = $24 for the skirts. Therefore Karl can earn a total of $15 + $10 + $4 + $24 = $53. The answer is 53.