[Question]Armand is playing a guessing game with his dad where he has to guess a number his dad is thinking of. His dad tells him that the number, when multiplied by 3, is three less than twice 51. What is the number?
[Answer]102 is twice 51 because 2 x 51 = 102. Three less than 102 is 99 because 102 - 3 = 99. The number is 33 because 99 / 3 = 33. The answer is 33.
Q: The total cost of staying at High Services Hotel is $40 per night per person. Jenny and two of her friends went to the hotel and stayed for three nights. What's the total amount of money they all paid together?
A: If each of them stayed 3 nights, the total cost per person is $40 / night * 3 nights = $120. Since they were three, the combined cost is $120 + $120 + $120 = $360. The answer is 360.
Question: There are 4 carriages in a train and each carriage has 25 seats. If each carriage could accommodate 10 more passengers, how many passengers would fill up 3 trains?
Answer: If each carriage had another 10 seats, each carriage would have 25 + 10 = 35 seats. The train comprises of 4 carriages and each carriage now has 35 seats; therefore a train has 35 x 4 = 140 seats. 3 trains with 140 seats each in total can take up 3 x 140 = 420 passengers. The answer is 420.
[Question]Sue borrowed 15 books and 6 movies. She returned 8 books. She then returned a third of the movies to the library and checked out 9 more books. How many movies and books does Sue now have?
[Answer]Sue has 15 - 8 = 7 books left after returning at the library. Sue returned 6 / 3 = 2 movies to the library. Sue had 6 - 2 = 4 movies left. Sue had 7 + 9 = 16 books after checking out at the library. Sue has 16 + 4 = 20 movies and books combined. The answer is 20.
Q: A cookfire burns three logs every hour. It was built with six logs to start. If it gets two more logs added to it at the end of every hour, how many logs will be left after 3 hours?
A: After 3 hours, it will have 3 * 2 = 6 logs added to it. After 3 hours, it will have burned 3 * 3 = 9 logs. After 3 hours, the cookfire will have 6 + 6 - 9 = 3 logs left. The answer is 3.
Question: Reggie's father gave him $48. Reggie bought 5 books, each of which cost $2. How much money does Reggie have left?
Answer:
The cost of the books is 5 × $2 = $10. Reggie has $48 − $10 = $38 left. The answer is 38.