Question: There are 40 ducks in a pond. 50 percent of the ducks are Muscovy and 30 percent of the Muscovies are female. How many female Muscovy ducks there?
Answer: Step-by-step reasoning process: Muscovies: 40(.50) = 20 Muscovy ducks. Female Muscovies:20(.30) = 6 ducks.
So the answer is 6.

Question: Diana earned $150 in July. She earned 3 times this amount in August. In September, She earned twice the money she earned in August. How much money did Diana earn over these three months?
Answer: Step-by-step reasoning process: The amount of money Diana earned in August is 3 * $150 = $450. The amount of money Diana earned in September is 2 * $450 = $900. The total amount of money Diana earned over the three months is $150 + $450 + $900 = $1500.
So the answer is 1500.

Question: Diego can carry 20 pounds of fruit home in his bookbag. If he buys a pound of watermelon, a pound of grapes, and a pound of oranges, how many pounds of apples can he buy?
Answer: Step-by-step reasoning process: He is able to carry 3 pounds of watermelon, grapes, and oranges because1 + 1 + 1 = 3. He can buy 17 pounds of apple because20 - 3 = 17.
So the answer is 17.

Question: Punger collects baseball cards. He buys 60 packs of baseball cards. Each pack has 7 cards inside. He wants to put these cards in special pages to protect the cards. Each page can hold 10 cards. How many pages does he need to buy?
Answer:
Step-by-step reasoning process: 60 packs of cards * 7 cards per pack = 420 cards. 420 cards / 10 cards per page = 42 pages.
So the answer is 42.