Step-by-step reasoning process: Natalia sold 48 / 2 = 24 clips in May. Natalia sold 48 + 24 = 72 clips altogether in April and May.
The question and answer:
Question and answer: Natalia sold clips to 48 of her friends in April, and then she sold half as many clips in May. How many clips did Natalia sell altogether in April and May?
The answer is 72

Step-by-step reasoning process: The zoo has 50 * 8 = 400 visitors in one day. The number of visitors that go to the gorilla exhibit in one day is 400 * 0.80 = 320 visitors.
The question and answer:
Question and answer: The zoo has 50 new visitors entering the zoo every hour. The zoo is open for 8 hours in one day. If 80% of the total visitors go to the gorilla exhibit, how many visitors go to the gorilla exhibit in one day?
The answer is 320

Step-by-step reasoning process: If Ann has 60 cards, which is six times as many cards as Heike, Heike has 60 / 6 = 10 cards. Anton has three times as many cards in his collection as Heike does, and since Heike has 10 cards, Anton has 10 * 3 = 30 cards. Ann has 60 - 30 = 30 more cards than Anton.
The question and answer:
Question and answer:
Anton has three times as many cards in his collection as Heike does. Ann has six times as many cards as Heike does. If Ann has 60 cards, how many more cards does Ann have more than Anton?
The answer is 30