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Posted

My son had the following question in his math lesson this morning:

 

The number of juniors in the jazz band at Central High School is 14 less than twice the number of sophomores. Let j represent the number of juniors in the jazz band. Write an expression for the number of sophomores in the band.

 

The answer given wasn't what we expected, and I can't explain to him what (if anything) he did wrong.

 

Thanks!

 

--Jenny

Posted
My son had the following question in his math lesson this morning:

 

The number of juniors in the jazz band at Central High School is 14 less than twice the number of sophomores. Let j represent the number of juniors in the jazz band. Write an expression for the number of sophomores in the band.

 

The answer given wasn't what we expected, and I can't explain to him what (if anything) he did wrong.

 

Thanks!

 

--Jenny

 

I would set it up

j=junior

s=soph

 

j=2s-14

j+14=2s

(j+14)/2=s

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