Question: Jenna sets a goal of reading 600 pages a month for the month of September (which has 30 days). She knows that she'll be really busy at work the four weekdays starting on the 13th, so she won't have time to read. She can also read 100 pages on the 23rd, when she'll have a long boring flight. If she reads the same number of pages every other day, how many pages a day does she need to read?
Answer: First, subtract the number of days Jenna can't read from the number of days in September: 30 days - 4 days = 26 days. Then subtract the one day when Jenna will read 100 pages: 26 days - 1 day = 25 days. Now subtract the 100 pages Jenna will read on her flight from her overall goal: 600 pages - 100 pages = 500 pages. Finally, divide that number of pages by the number of days Jenna will read the standard amount: 500 pages / 25 days = 20 pages per day. The answer is 20.

Question: One and a half increase in the productivity in Tutuwanas saw-mill this year was due to the Albaszu machine's being finally repaired. If the Albaszu machine was cutting 10 trees daily, how many trees is it cutting now after its improvement?
Answer: The increase in productivity of the Albaszu machine was one and a half, which is 1 1 / 2 or 3 / 2. This means there was an increase of 3 / 2 * 10 = 15 trees that the machine was cutting after it was repaired. Currently, the Albaszu machine is cutting 15 + 10 = 25 trees each day. The answer is 25.

Question: A bag of caramel cookies has 20 cookies inside and a box of cookies has 4 bags in total. How many calories are inside the box if each cookie is 20 calories?
Answer: If 1 bag has 20 cookies and a box has 4 bags, then in total there are 20 * 4 = 80 cookies inside the box. If 1 cookie has 20 calories and there are 80 cookies in the box, then the box has in total 20 * 80 = 1600 calories. The answer is 1600.

Question: 42 raspberries, blackberries, and blueberries were picked in total. If half of all the berries had been raspberries, and a third of the berries were blackberries, how many of them were blueberries?
Answer:
42 / 2 = 21 raspberries had been picked. 42 / 3 = 14 blackberries had been picked. 21 + 14 = 35 raspberries and blackberries had been picked. 42 - 35 = 7 blueberries had been picked. The answer is 7.