If you go to the movies and you are paying, is it cheaper to take one friend to the movies twice or two friends to the movies at the same time?

### Subtracting 5

How many times can you subtract the number 5 from 25?

### If you have three oranges

If you have three oranges and you take away two, how many will you have?

### How many cubic meters of dirt

How many cubic meters of dirt are in a hole of 15 meter long and 26 meter wide?

### How long will it take 100 cats to kill 100 rats

If 3 cats can kill 3 rats in 3 minutes, how long will it take 100 cats to kill 100 rats?

### There is a three digit number

There is a three digit number. The second digit is four times as big as the third digit, while the first digit is three less than the second digit. What is the number?