Question: A group of science students went on a field trip. They took 9 vans and 10 buses. There were 8 people in each van and 27 people on each bus. How many people went on the field trip?
Answer: The vans held 9 vans * 8 people = 72 people. The buses held 10 buses * 27 people = 270 people. The total number of people on the field trip is 72 + 270 = 342 people. The answer is 342.
[Question]Heath spent his weekend helping at his uncle’s farm planting carrots. He planted 400 rows of carrots with 300 plants in each row. He used a machine to get the planting done and it took him 20 hours. How many carrots did he plant each hour?
[Answer]Heath planted 400 rows x 300 plants = 120,000 carrot plants. He planted 120,000 plants in 20 hours, or 120,000 / 20 = 6,000 plants per hour. The answer is 6000.
Q: In Grade 4, there are two sections -- Diligence and Industry. The two sections have an equal number of students after 2 students were transferred from section Industry to Diligence. How many students were there in section Diligence before the transfer if, in both sections combined, there are a total of 50 students?
A: There are 50 / 2 = 25 students in each section now. So, there were 25 - 2 = 23 students in section Diligence before 2 students were transferred in their section. The answer is 23.
Question: Jimmy has 18 cards. Jimmy gives three cards to Bob. If Jimmy gives Mary twice as many cards as he gave to Bob, how many cards does Jimmy have left?
Answer: Mary has 2 * 3 = 6 cards. Jimmy has 18 - 3 - 6 = 9 cards left. The answer is 9.
[Question]Teresa is 59 and her husband Morio is 71 years old. Their daughter, Michiko was born when Morio was 38. How old was Teresa when she gave birth to Michiko?
[Answer]The difference in age between Teresa and Morio is 71 - 59 = 12 years. When their daughter is born, Teresa is 38 - 12 = 26 years old. The answer is 26.
[Question]Lexie is 6 years older than her brother and her sister is twice her age. If Lexie is 8, what is the age difference between her brother and her sister?
[Answer]
Lexie's brother is 8 - 6 = 2 years old. Her sister is 8 x 2 = 16 years old. The age difference between her brother and sister is 16 - 2 = 14 years. The answer is 14.