What number is 13 less than 80?

When solving a question like "What number is 13 less than 80?", take a close look at what it is really asking.

You have the number 80 and you are looking for a number that is 13 less than 80. In other words, if you have 80 and take away 13, then how many do you have?

You guessed it! This is a subtraction problem. 80 is the minuend and 13 is subtrahend and the answer we are looking for is the difference.

Therefore, to solve "What number is 13 less than 80?", you subtract 13 from 80 like so:

80 - 13 = 67

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