Question: Oliver collects trading cards. He has twice as many Monster Club cards as Alien Baseball cards. His Battle Gremlins card collection is the largest at 48 cards, three times the size of his Alien Baseball card collection. How many Monster Club cards does Oliver have?
Answer: Oliver's Alien Baseball card collection has 48 / 3 = 16 cards. Oliver has twice as many Monster Club cards, so he has 16 * 2 = 32 Monster Club cards. The answer is 32.

Question: A conference center has six rooms. Each room can hold up to 80 people. Today, the conference center is only 2/3 full. How many people are in the conference center?
Answer: The conference center can hold up to 80 x 6 = 480 people. Today, there are 480 x 2 / 3 = 320 people in the conference center. The answer is 320.

Question: There are 180 school days in the academic year. Aliyah packs a lunch half the time. Becky packs her lunch half as much as Aliyah. How many days a year does Becky pack her lunch?
Answer: Aliyah packs her lunch the time, so in 180 school days / 2 = she packs her lunch 90 times. Becky packs her lunch as much as Aliyah, so 90 times / 2 = 45 times a year. The answer is 45.

Question: Texas Integrated School has 15 classes and has 20 students per class. They added five more classes, how many students will they have now?
Answer:
The school has 15 x 20 = 300 students right now. They have an additional 5 x 20 = 100 students after adding 5 more classes. Therefore, Texas Integrated School will have a total of 300 + 100 = 400 students. The answer is 400.