Step-by-step reasoning process: Each school has 4 + 5 = 9 classes. So, there are a total of 9 x 2 = 18 classes for the 2 schools. Therefore, the public official donates a total of 18 x 5 = 90 soccer balls.
The question and answer:
Question and answer: A public official wants to donate 5 new soccer balls per each class in two schools. Each school has 4 elementary school classes and 5 middle school classes. How many soccer balls would the public official donate in all?
The answer is 90

Step-by-step reasoning process: The bus journey takes 15 + 25 = 40 minutes. The walk from the bus stop to his house will take Harry 40 / 2 = 20 minutes. So he will have been traveling for 40 + 20 = 60 minutes.
The question and answer:
Question and answer: Harry is traveling home on the bus. He has already been sat on the bus for 15 minutes, and he knows the rest of the journey will take another 25 minutes. The walk from the bus stop to his house will take half the amount of time the bus journey took. In total, how many minutes will Harry have spent traveling?
The answer is 60

Step-by-step reasoning process: Ted planted 2 x 50 = 100 tomato seeds. So, Mike and Ted planted 50 + 100 = 150 tomato seeds in the morning. In the afternoon, Ted planted 60 - 20 = 40 seeds. Thus, Mike and Ted planted 60 + 40 = 100 tomato seeds in the afternoon. Therefore, they planted 150 + 100 = 250 tomato seed altogether.
The question and answer:
Question and answer:
Mike and Ted planted tomatoes. In the morning, Mike planted 50 tomato seeds while Ted planted twice as much as Mike. In the afternoon, Mike planted 60 tomato seeds while Ted planted 20 fewer tomato seeds than Mike. How many tomato seeds did they plant altogether?
The answer is 250