whats does "AND" mean in word problems

Quote:

Originally Posted by

**Chris L T521** Let's break it down:

The

sum of a number and six,

multiplied by two results in twenty-two.

Let

be this mystery number.

Then,

sum of a number and six can be represented mathematically as

Now, multiplied by two means that we take the previous result, and double it. Mathematically, it would be the same as saying
Finally, the previous result

results in twenty-two. This now gives us the equation

Now you can solve for n.

EDIT: Soroban beat me.

does it mean to add