Enrico was able to sell the 30 - kilogram rooster for 30 x 0.50 = $15. And he was able to sell the 40 - kilogram rooster for 40 x 0.50 = $20. Therefore, he was able to earn $20 + $15 = $35.
The answer: 35
Reverse engineering the question: Enrico owns a rooster farm, he sells each rooster for $0.50 per kilogram. He was able to sell a 30-kilogram rooster and a 40-kilogram rooster, how much money was he able to earn?
Reasoning and answer: Dennis received $10 x 2 = $20. So, he received a total of $20 + $3 = $23 change. Therefore, Dennis initially had $27 + $23 = $50.
The answer: 50
What was the question?
Question: After buying shirts worth $27 from a store, Dennis received 2 $10 bills and $3 in loose coins for his change. How much money did Dennis have initially?
She does 4 loads of laundry a week and used 1 dryer sheet per load for a total of 4 * 1 = 4 dryer sheets in a week. She used 4 dryer sheets per week for 52 weeks for a total of 4 * 52 = 208 dryer sheets. Her box of dryer sheets has 104 sheets so she needs 208 / 104 = 2 boxes of dryer sheets. Each box costs $5.50 and she used 2 boxes so she now saves 5.50 * 2 = $11.00 by not buying dryer sheets.
The answer: 11
Reverse engineering the question: Sophie does 4 loads of laundry a week and uses 1 dryer sheet per load. A box of dryer sheets costs $5.50 and has 104 dryer sheets in a box. On her birthday, she was given wool dryer balls to use instead of dryer sheets. How much money does she save in a year not buying dryer sheets?
Reasoning and answer: Jack is able to carry two 5 - gallon buckets of water per trip, or 2 * 5 = 10 gallons of water. Jill can only carry one bucket per trip, or 5 gallons. Jack completes 3 trips to the well and back for every 2 trips Jill completes, so in that time they have both together carried 3 Jack trips * 2 buckets per Jack trip * 5 gallons per bucket + 2 Jill trips * 1 bucket per Jill trip * 5 gallons per bucket = 30 gallons + 10 gallons = 40 gallons of water. If you consider these as a single "group" of trips, it will take 600 gallons / 40 gallons per "group" of trips = 15 groups of trips. As each of these "groups" of trips consists of two Jill trips, Jill will make 15 * 2 = 30 trips to the well and back before the tank is filled.
The answer: 30
What was the question?
Question: Jack and Jill went up the hill to fetch water to fill a 600 gallon tank. Each bucket is five gallons. Jack is stronger, and is able to carry two buckets of water at a time, but Jill can only manage one. Also, Jack can complete three trips to the well and back in the time it takes Jill to make two trips. How many trips will Jill make before the tank is filled?
John dances 3 + 5 = 8 hours. John's total time is 3 + 5 + 1 = 9 hours. James dances 9 / 3 = 3 hours longer than that. So James dances 9 + 3 = 12 hours. So the total dancing time is 8 + 12 = 20 hours.
The answer: 20
Reverse engineering the question: John and James decided to have a dance-off. John danced for 3 hours and then another 5 hours after taking a 1-hour break. James danced the whole time John was dancing and resting, and then another 1/3 times more hours. How long was their combined dancing time without including John's break time?
Two times the number of puppies is 32 * 2 = 64 kittens. There are 64 + 14 = 78 kittens.
The answer: 78
Reverse engineering the question:
There are 14 more kittens than two times the number of puppies at the animal shelter. If there are 32 puppies at the shelter, how many kittens are there?