[Question]Brody’s calculator can run for 60 hours on a full battery. Brody has used three quarters of its battery up, and he is about to take a two-hour math exam that will require his calculator the whole time. How many hours of battery will Brody’s calculator have left?
[Answer]Brody’s calculator has 60 * 1 / 4 = 60 / 4 = 15 hours of battery left. After his 2 - hour math exam, Brody’s calculator will have 15 - 2 = 13 hours of battery left. The answer is 13.
Q: Patrick has been saving money to buy a bicycle that costs $150. He saved half the price but he then lent $50 to his friend. How much money does Patrick have now?
A: Half of the price of the bicycle is 150 / 2 = $75. The money that Patrick has now is 75 – 50 = $25. The answer is 25.
Question: Buffy and Oz went to dinner. They shared an appetizer that cost $9.00. Each of their entrees was $20.00 and they shared a dessert that was $11.00. If they left a 30% tip, what was the entire price of the meal?
Answer: Each of their entrees cost $20.00 so they cost 2 * 20 = $40.00. The appetizer was $9.00, the main meal was $40.00 and the dessert was $11.00 for a total of $60.00. The entire meal cost $60.00 and they left a 30% tip which came to 60 * .30 = $18.00. The meal was $60.00 and the tip was $18.00 so the total bill came to 60 + 18 = $78.00. The answer is 78.
[Question]Pat's stick is 30 inches long. He covers 7 inches of the stick in dirt. The portion that is not covered in dirt is half as long as Sarah’s stick. Jane’s stick is two feet shorter than Sarah’s stick. How many inches long is Jane’s stick?
[Answer]30 - 7 = 23 inches of Pat’s stick is not covered in dirt. Sarah’s stick is 23 * 2 = 46 inches long. Jane’s stick is 12 * 2 = 24 inches shorter than Sarah’s stick. Jane’s stick is 46 - 24 = 22 inches long. The answer is 22.
Q: There are twenty-two people in a waiting room. If three more people arrive, the number of people in the waiting room becomes five times the number of people inside the interview room. How many people are in the interview room?
A: There are twenty - two people in a waiting room, and if three more people arrive, the number increases to 22 + 3 = 25. If three more people arrive, the number of people in the waiting room becomes five times the number of people that are inside the interview room, meaning there are 25 / 5 = 5 people inside the interview room. The answer is 5.
Question: James has 3 gallons of milk. He drank 13 ounces of the milk. If there are 128 ounces in a gallon, how many ounces of milk does James have left?
Answer:
First find out how many ounces of milk James had to begin with by multiplying the number of gallons by the number of ounces per gallon: 3 gallons * 128 ounces / gallon = 384 oz. Now subtract the 13 ounces James drank from the initial amount of milk: 384 oz - 13 oz = 371 oz. The answer is 371.