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More ways to get Braingle...

Something's Fishy

Math brain teasers require computations to solve.

 

Puzzle ID:#28960
Fun:*** (2.72)
Difficulty:** (1.54)
Category:Math
Submitted By:shenqiangAcn****!!

 

 

 



The fish market is selling several kinds of fish. But there aren't any prices listed. You ask about the prices, but all the seller will tell you is this:

1. A pound of salmon and a pound of bass are $12.
2. A pound of bass and a pound of swordfish are $10.
3. A pound of salmon and a pound of swordfish are $8.
4. A pound of swordfish and a pound of catfish are $5.

Each price per pound is a whole-dollar amount. How much is the price per pound for each kind of fish?

Open Calculator




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Comments

signmeup74*pl*
Mar 09, 2006

Good one!!
But I want to know where you are shopping to get $5/lb. for Salmon!!
Celanba*
Mar 12, 2006

I would get ticked off at a seller who did that.
Jimbo*au*
May 07, 2006

A solution explaining how to get the answers would be nice!
RRAMMOHAN*in*
Jun 01, 2006

Simple simultaneous equations problem.
javaguru*us*
Feb 04, 2009

I did it quickly in my head by adding equations 1 & 2 and subtracting equation 3 from the result.

salmon + bass = 12
+ swordfish + bass = 10
= salmon + swordfish + 2bass = 22
- salmon + swordfish = 8
= 2bass = 14
bass = 7

The rest is simple from there.




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