Let's say Sabrina has p number of pencils.

If Justin has 8 more than twice as many pencils as Sabrina, he has 2*p + 8 = 2p+8

Together, Justin and Sabrina has p +(2p+8)=50

This is equal to 3p=50-8

3p=42

The number of pencils that Sabrina has is p=42/3

Sabrina has p=<<14=14>>14 pencils

# Answer

14
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Justin and Sabrina at Pine Grove Elementary have 50 pencils combined. Justin has 8 more than twice as many pencils as Sabrina. How many pencils does Sabrina have?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
14
Justin and Sabrina at Pine Grove Elementary have 50 pencils combined. Justin has 8 more than twice as many pencils as Sabrina. How many pencils does Sabrina have?
train