Reasoning and answer: Caleb has put 27 + 14 = 41 yellow and red candles. So, he used 79 - 41 = 38 blue candles.
The answer: 38
What was the question?
Question: Caleb is baking a birthday cake for his grandfather. His grandfather is turning 79 years old. Caleb puts three colors of candles on the cake. He puts one candle for each year for his grandfather. He puts 27 yellow candles, 14 red candles and the rest are blue candles. How many blue candles did he use?


Jerome bought 5 x 2 = 10 toy cars this month. So he bought a total of 5 + 10 = 15 toy cars. Therefore, Jerome had 40 - 15 = 25 toy cars originally.
The answer: 25
Reverse engineering the question: Jerome bought 5 new toy cars last month. This month he bought twice as many so that he has 40 toy cars now. How many toy cars did Jerome have originally?


Reasoning and answer: There were 1 + 4 = 5 of them who volunteered to plant flowers. Each day, the 5 of them planted a total of 200 / 2 = 100 flowers. Thus, James planted 100 / 5 = 20 flowers in a day.
The answer: 20
What was the question?
Question: James and 4 of his friends volunteered to plant flowers. In 2 days, they were able to plant a total of 200 flowers. If each of them planted the same number of flowers, how many flowers did James plant in a day?


Renaldo = 15 km. Ernesto = (1 / 3) * 15 + 7 = 12 km. Total = 15 + 12 = 27 km. Renaldo and Ernesto drove a total of 27 kilometers.
The answer: 27
Reverse engineering the question: Renaldo drove 15 kilometers. Ernesto drove 7 kilometers more than one-third of Renaldo's distance. How many kilometers did the 2 men drive in total?


Reasoning and answer: She spent $30 / 2 = $15 on rides. She spent a total of $15 + $5 = $20 including dessert. She has $30 - $20 = $10 left.
The answer: 10
What was the question?
Question: Hannah brought $30 to the county fair. She spent half of it on rides and another $5 on dessert. How much, in dollars, is left?


Reasoning and answer: The reseller wants to get $3000 x 15 / 100 = $450 profit. Thus, she needs to sell it for $3000 + $450 = $3450.
The answer: 3450
What was the question?
Question:
A luxury bag costs $3000. A reseller wants to get a 15% profit. How much should she sell the bag?