Step-by-step reasoning process: In February James made 4000 * 2 = 8000. In March James made 8000 - 2000 = 6000. In total for the year James has made 4000 + 8000 + 6000 = $18000.
The question and answer:
Question and answer: James made $4000 in January. The next month he made twice as much. In March, however, James made $2000 less than in February. How much has James made so far this year?
The answer is 18000

Step-by-step reasoning process: A total of 10 + 15 + 10 + 10 + 10 = 55 people attended class across the 5 days. An average of 55 people / 5 days = 11 people per day attended class.
The question and answer:
Question and answer: 10 people attended class on Monday, 15 on Tuesday, and 10 on each day from Wednesday through Friday. What was the average number of people who attended class each day?
The answer is 11

Step-by-step reasoning process: He earned 5 x $100 = $500 for the large painting. And he earned 8 x $80 = $640 for the small paintings. Therefore, he earned a total of $500 + $640 = $1140 in all.
The question and answer:
Question and answer:
Michael loves to paint and sells his creations. He charges $100 for a large painting and $80 for a small painting. At his last art show, he sold 5 large paintings and 8 small paintings. How much did he earn in all?
The answer is 1140