Reasoning and answer: Hans’s party includes 12 - 2 = 10 adults and 2 children. The adults will cost 3 * 10 = $30 for the deposit. The children will cost 2 * 1 = $2 for the deposit. Thus, Hans has to pay 30 + 2 + 20 = $52 as a deposit for the restaurant reservation.
The answer: 52
What was the question?
Question: Hans reserved a table at a fine dining restaurant for twelve people. He has to pay a deposit for the reservation, and the deposit is a flat $20 plus an extra $3 per adult but only $1 per child. Two of the people in Hans’s party are his kid cousins, and the rest are adults. How many dollars does Hans have to pay as a deposit for the restaurant reservation?


He spends 2 * 2 = 4 weeks in the other two countries. So he spends 2 * 4 = 8 weeks in those countries combined. That means he is gone for 2 + 8 = 10 weeks.
The answer: 10
Reverse engineering the question: John visits three different countries. He stays in the first country for 2 weeks and he spends twice as long in each of the other two countries. How much time does he spend on the trip?


Reasoning and answer: There are 21 * 2 = 42 polar bears. So the total 21 + 42 = 63 total animals.
The answer: 63
What was the question?
Question: A zoo has 21 penguins and twice as many polar bears? How many total animals do they have?


Let D be the cost of the dessert in dollars. The entree costs D + 5 dollars. D + (D + 5) = 23. 2D + 5 = 23. 2D = 18. D = 9. The entree costs $14.
The answer: 14
Reverse engineering the question: Hannah is at a restaurant. She spends $23 in total on an entree and a dessert. If the entree costs $5 more than the dessert, how much does the entree cost, in dollars?


Reasoning and answer: The mother kept 27 x 1 / 3 = 9 pieces of sweets. So there were 27 - 9 = 18 sweets that were divided between the 3 children. The youngest child got 8 / 2 = 4 sweets. So the eldest and the youngest got a total of 8 + 4 = 12 sweets. Therefore, the second child gets 18 - 12 = 6 sweets.
The answer: 6
What was the question?
Question: A mother buys a box of sweets. She kept 1/3 of the sweets and divided the rest between her 3 children. The eldest got 8 sweets while the youngest got half as many. If there are 27 pieces of sweets in the box, how many sweets did the second child gets?


Reasoning and answer: The amount she spends on buying drinks is $2 * 10 = $20. The amount she spends on buying cakes is $10 * 5 = $50. The amount she spends on buying ice creams is $5 * 100 = $500. The total amount she spends is $20 + $50 + $500 = $570.
The answer: 570
What was the question?
Question:
Betty is planning to host her friends over for a party. She buys drinks, cakes, and ice creams at a unit cost of $2, $10, and $5 respectively. How much does she spend if she buys 10 drinks, 5 cakes, and 100 ice creams?