cassiejwenn58 cassiejwenn58

27-09-2017
Mathematics

contestada

you have a total of 21 pens and pencils on your desk. you have 3 more pen
s than pencils

Respuesta :

chris550 chris550

27-09-2017

9 pencils
12 pens

21 -3 = 18
18 / 2 = 9
9 + (9+3) = 21
9 + 12 = 21
21 = 21
answer checks out.

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