Step-by-step reasoning process: For each class, he has to review the questions of 35 students, in total, he will review 10 * 35 = 350 questions. For the 5 classes, he will review a total of 350 * 5 = 1750 questions.
The question and answer:
Question and answer: After evaluating his students on the final exams. Professor Oscar reviews all 10 questions on each exam. How many questions must he review if he has 5 classes with 35 students each?
The answer is 1750

Step-by-step reasoning process: Sophie spent $18.50 × 2 = $37 on the two shirts. She spent in total $37 + $63 = $100 on clothes so far. She has $260 - $100 = $160 left to spend on clothes. Sophie has $160 ÷ 4 = $40 left to spend on each additional item of clothing.
The question and answer:
Question and answer: Sophie's aunt gave her $260 to spend on clothes at the mall. She bought 2 shirts that cost $18.50 each and a pair of trousers that cost $63. She then decides to purchase 4 more articles of clothing with her remaining budget. How much money would each item cost if she split the cost of each item evenly?
The answer is 40

Step-by-step reasoning process: Twice the height of the rectangle is 30 inches - 2 * 4 inches = 22 inches. The rectangle's height is 22 inches / 2 = 11 inches. The area of the rectangle is 4 inches * 11 inches = 44 square inches.
The question and answer:
Question and answer:
There is a rectangle that is 4 inches wide. If the rectangle's perimeter is 30 inches, what is the area of the rectangle?
The answer is 44