Algebra
# System of Linear Equations

What weight will the fourth scale display?

A pen is filled with chickens and pigs.

There are 240 feet and 82 heads in the pen.

How many pigs are there?

If I put 4 pencils into each jar, I will have one jar left over.

If I put 3 pencils into each jar, I will have one pencil left over.

How many pencils and how many jars do I have?