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did you understand

\[2(\pi r+2r)=(r+3)\pi +2(r+3)\]
does it look like this

yes, do you know where to go from there?

\[\pi r =3\pi - 2r+6\]
i end up to this :(

i distributed first

oh, i did not factor... thanks. its now clear to me

uhmmmm can i ask 5 more problems?

sure

no :(

sorry

i got 2.31 for r. that is for the regular? what about the pounds of jamaican blue mountain coffee?

i'll multiply r+b=3 to -1.67?

thanks!!! i got it right... thanks a lot! :)))