Which algebraic expression represents the phrase "seven fewer than three times a number"?

(3 - 7)n

7(n - 3)

3n - 7

3 - 7n

Question

Which algebraic expression represents the phrase "seven fewer than three times a number"?
 
(3 - 7)n 


7(n - 3) 

3n - 7 

3 - 7n

anonymous · Answer

Which operation does "fewer" suggest?

anonymous · Answer

7(n-3)?

anonymous · Answer

Why?

anonymous · Answer

Why would you want to multiply 7 times 3?

anonymous · Answer

oh ok sorry im like new to this whole 6th grade math stuff and yeahh im thinking now its maybe the last one

anonymous · Answer

No need to apologize, the question is just to get you to think. 
Read the question again.
"seven fewer than"

anonymous · Answer

ok i think i got it

anonymous · Answer

So, what do you think is the answer?

anonymous · Answer

well i just had my sister help and she said it is 3n-7

anonymous · Answer

She is correct. But do you understand why?

anonymous · Answer

yeah a little bit

anonymous · Answer

but i will get the hang of it because this is just a pretest

anonymous · Answer

OK. Just keep in mind that you don't really understand it until you can explain it to someone else.  Good Luck!!