Spooky math

3 construction workers working from out of town walk into the office of a one story motel .. its a small place , not fancy , just heat air and cable ECT .. its privately owned and managed by the owner and his son .. they ask how much a room for the 1 night is .. the owner replies 30 bucks for 1 night .. the 3 workers said we'll save money and share one room .. so they each give the owner 10 bucks .. they then drew straws over who slept on the bed , the couch , and the floor .. after the men left to go to their room the owner looked at his son and said its obvious those guys are strapped for money so i'm going to give them a 5 dollar discount .. he gives his son 5 one dollar bills and tells him to give it to the guys that rented the room .. on the way down the hall to the room the son figured it was to much of a hassle to split 5 dollars between 3 people so he pocketed 2 dollars and gave each of the men 1 dollar .. so instead of 30 dollars [10 bucks apiece] the 3 men paid 9 dollars apiece .. that ads up to 27 dollars .. the son kept 2 dollars .. add that to the 27 bucks the men paid and it comes out to 29 dollars .. so the question is .. where the heck did the other dollar go !
 
3 construction workers working from out of town walk into the office of a one story motel .. its a small place , not fancy , just heat air and cable ECT .. its privately owned and managed by the owner and his son .. they ask how much a room for the 1 night is .. the owner replies 30 bucks for 1 night .. the 3 workers said we'll save money and share one room .. so they each give the owner 10 bucks .. they then drew straws over who slept on the bed , the couch , and the floor .. after the men left to go to their room the owner looked at his son and said its obvious those guys are strapped for money so i'm going to give them a 5 dollar discount .. he gives his son 5 one dollar bills and tells him to give it to the guys that rented the room .. on the way down the hall to the room the son figured it was to much of a hassle to split 5 dollars between 3 people so he pocketed 2 dollars and gave each of the men 1 dollar .. so instead of 30 dollars [10 bucks apiece] the 3 men paid 9 dollars apiece .. that ads up to 27 dollars .. the son kept 2 dollars .. add that to the 27 bucks the men paid and it comes out to 29 dollars .. so the question is .. where the heck did the other dollar go !
There's no missing dollar. You are simply framing the math incorrectly.

The proprietor kept $25
The son kept $2
The workers got $3

25+2+3=30
 
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RACIST ! the point of the riddle is the way the total changes when it is looked at from a different angle ..
So, do you believe that there is a missing $1, or that this is a riddle, with no missing $1.
 
This is extremely good as a math lesson, Eddie is an excellent and enthusiastic communicator and despite being pretty well schooled in mathematics myself this session was an eye opener, truly enjoyable. He simply rearranges the cut pieces of the triangle and we see the total area drop by one square - very odd, especially if you were tiling a floor!

 
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