Solve the following problems.

1. The sum of two numbers is 21. The difference of the two numbers is 3.
What are the numbers?


2. There are 407 boys and 438 girls who like to join the Alay Lakad. How many buses will be hired if 65 persons can be accommodated in a bus?

3. An egg vendor bought 600 eggs from the farm. She paid P54.00 per dozen. How much did she pay in all?

4. How many possible remainders (excluding 0) are there when dividing any number by 5?​