math
posted by Lilly on .
At the store, 6 pencils sell for $.99. At this rate what is the cost of 16 pencils?

How do YOU think you should solve this?

i don't know its confuses me

Set up a proportion like I showed you a few minutes ago.
http://www.jiskha.com/display.cgi?id=1289766842 
9.9/6 = x/16
or how would i writea proportion for that? 
Almost right.
0.99/6 = x/16