[Question]Due to a drought, Jerry's household can only use 1000 gallons of water during July. Jerry uses 100 gallons for drinking and cooking and 20 gallons per shower. He wants to fill his pool, which measures 10 feet by 10 feet by 6 feet. If each gallon of water fills 1 cubic foot of the pool, how many showers can Jerry take in July?
[Answer]First find the total volume of the pool: 10 feet * 10 feet * 6 feet = 600 cubic feet. This is also the number of gallons he needs to fill the pool. Subtract the pool water and the drinking and cooking water from the total amount of water Jerry is allowed to use: 1000 gallons - 600 gallons - 100 gallons = 300 gallons. Then divide the amount of water Jerry has left to use for showers by the amount of water per shower to find how many showers he can take: 300 gallons / 20 gallons / shower = 15 showers. The answer is 15.

[Question]Alissa used discarded paper to make notepads for her friends. She would fold 5 pieces of letter-size paper 3 times then cut along the edges to form smaller note papers. She would then stack these smaller note papers and staple them together. How long would 1 notepad last if someone wrote 10 notes per day?
[Answer]Alissa folding it 3 times makes 2 × 2 × 2 = 8 pieces of note - size paper per letter - size paper. So 5 pieces of letter - size paper make 5 × 8 = 40 pieces of note - size paper. 1 note pad would last 40 ÷ 10 = 4 days if someone wrote 10 notes a day. The answer is 4.

[Question]Mary earns $20 washing cars and $40 walking dogs each month. If she puts half of that money away each month how long would it take her to save $150?
[Answer]Each month she makes 20 + 40 = $60. Every month she saves 60 / 2 = $30. To save $150 it will take her 150 / 30 = 5 months. The answer is 5.

[Question]Val cuts a single watermelon into 40 slices, and each slice has 20 black seeds and 20 white seeds. What is the total number of seeds in a watermelon?
[Answer]
40 slices per watermelon and each slice having 20 black seeds means each watermelon has 20 * 40 = 800 black seeds. 40 slices per watermelon and each slice having 20 white seeds means each watermelon has 20 * 40 = 800 white seeds. In total, each watermelon has 800 + 800 = 1600 seeds. What is the total number of seeds in a watermelon?. The answer is 1600.