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On test day, a teacher sharpens 19 pencils to lend out to his students. If n represents the number of pencils that the teacher lends out, which expression represents the number of pencils he has left?
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On test day, a teacher sharpens 19 pencils to lend out to his students. If n represents the number of pencils that the teacher lends out, which expression represents the number of pencils he has left?

a. b.
c. d.

User Colin Moock
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1 Answer

3 votes
19 - n = the amount of pencil's he has left

^ The amount of pencils he has, n, the amount of pencil he gives away
The answer is, 19 - n = the expression for the pencil's left

User GRGodoi
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