Question: Alexander was 50 inches on his 8th birthday. If he grows 1/2 a foot a year, how many inches tall will he be on his 12th birthday?
Answer: Step-by-step reasoning process: He grows six inches a year because 12 x .5 = 6. He will grow 24 inches between his 8th and 12th birthday because 4 x 6 = 24. He will be 74 inches tall because 50 + 24 = 74.
So the answer is 74.

Question: A boy has 12 oranges. He gives one-third of this number to his brother, one-fourth of the remainder to his friend and keeps the rest for himself. How many does his friend get?
Answer: Step-by-step reasoning process: He gives a third of 12 oranges to his brother which is 12 * (1 / 3) = 4 oranges. He has 12 - 4 = 8 oranges left. He gives a fourth of 8 oranges to his friend which is 8 * (1 / 4) = 2 oranges.
So the answer is 2.

Question: Bruce can make 15 batches of pizza dough using a sack of flour. If he uses 5 sacks of flour per day, how many pizza doughs can he make in a week?
Answer: Step-by-step reasoning process: He can make 15 x 5 = 75 batches of pizza dough per day. Therefore, Bruce can make 75 x 7 days in a week = 525 batches of pizza dough in a week.
So the answer is 525.

Question: You draw a rectangle that is 7 inches wide. It is 4 times as long as it is wide. What is the area of the rectangle?
Answer:
Step-by-step reasoning process: The length of the rectangle is 4 * 7 inches = 28 inches. The area of the rectangle is 7 inches * 28 inches = 196 square inches.
So the answer is 196.