Emily can type 60 words per minute. How many hours does it take her to write 10,800 words?
Let's think: In an hour, Emily can type 60 words * 60 minutes = 3600 words. It will take her 10800 / 3600 = 3 hours to write 10800 words.. The answer is: 3.

Carl is taking a class where the whole grade is based on four tests that are graded out of 100. He got an 80, a 75 and a 90 on his first three tests. If he wants an 85 average for the class, what is the minimum grade he needs to get on his last test?
Let's think: First, find the total number of points Carl needs to earn across all the tests by multiplying his desired average by the number of tests: 85 * 4 = 340 marks. Then subtract all Carl's previous test scores to find the last score he needs to earn: 340 - 80 - 75 - 90 = 95 marks.. The answer is: 95.

A movie theater company is advertising a deal of a movie ticket, a bucket of popcorn, a drink, and a box of candy for $20. Normally, a movie ticket costs $8, a bucket of popcorn costs three dollars less, a drink costs a dollar more than popcorn, and a candy costs half as much as a drink. How many dollars does the deal save a customer who buys a ticket, popcorn, drink, and candy normally?
Let's think: The popcorn costs 8 - 3 = $5. The drink costs 5 + 1 = $6. The candy costs 6 / 2 = $3. The normal price is 8 + 5 + 6 + 3 = $22. Thus, the deal saves a customer 22 - 20 = $2.. The answer is: 2.

While planning to finish reading a 140-page book in one week, Jessy initially decides to read 3 times daily, 6 pages each time, every day of the week. How many more pages should she read per day to actually achieve her goal?
Let's think:
To achieve her goal, she must read 140 / 7 = 20 pages per day. She planned to read 3 * 6 = 18 pages daily. She must read 20 - 18 = 2 more pages per day.. The answer is: 2.