How do you count the stitches in a rib stitch pattern?

A tailor messed up the ribbed detailing on the sleeves of a merino wool sweater of mineI want to attempt to recreate and fix it myself but I need help finding a yarn that is going to matchHow do I count stitches, and how do I determine from stitch count, what yarn weight and needle size to use?

I haven't had any personal experiences which would make me distrust someone just because he or she was blackI have been suckered into giving money to someone for a serpentine belt and the next day when I was telling other attorneys about the guy they all laughed at meHe's a regular in that localeBut I've got similar stories about white panhandlers I've gotten death threats due to my career, but they've come from white criminals(It's basically stupid to send your own attorney a death threat, btw lol)

You do not determine the yarn or needle to use by the stitch count! Stitch count only determines the number to cast onThe yarn weight can influence the number possible to cast on in an inch, but there is a lot of variance hereThe needle size can vary as well, with the same yarn, or the number of stitchesYou can simply take out the ribbing that is there, unravel it, and then use the same yarn that was there, and re-knit it as a ribThere is a wide variety of ribs possible as wellyou need to determine the pattern used by studying the other sleeveIf you are going to do both, then it doesn't matteryou can use your own pattern, as long as both are the sameIf there is ribbing on the bottom hem, use that as a guideYou can knit the ribbing up and sewing it on, or pick up stitches along the sleeve fabric, and knit downYou may have to use rather fine gauge needles, and may want to use a fine gauge knitting machine to do the ribbingThere is no shame in using thatYou may be able to find commercially made ribbing in the same colour, and save yourself a lot of work.

This is a racist rantMost serial killers are whiteDoes that mean that blacks should distrust and hate all whites? Whether coming from a black or white person, racist rants like this should not be on Y/A politics.

We have no problem trusting black people, and are friends with many black peopleUnlike yourself, We understand that one person's actions do not represent ALL people of that same colorImagine if you used that same notion for all peopleWhat happens when a white person guns down a doctor? Are all white guys suddenly killers? When Westboro Baptist Church goes on a tirade, attacking our military, our wounded and deceased soldiers? Are all Christians suddenly awful, hateful, vile people?

I could be wrong, but I don't think you've ever spent time in the Military? The first thing you learn is to trust a man for what's in his hart not the color of his skin! - Airborne Rangers Lead The Way!

This is a racist rantMost serial killers are whiteDoes that mean that blacks should distrust and hate all whites? Whether coming from a black or white person, racist rants like this should not be on Y/A politics.

I could be wrong, but I don't think you've ever spent time in the Military? The first thing you learn is to trust a man for what's in his hart not the color of his skin! - Airborne Rangers Lead The Way!

I haven't had any personal experiences which would make me distrust someone just because he or she was blackI have been suckered into giving money to someone for a serpentine belt and the next day when I was telling other attorneys about the guy they all laughed at meHe's a regular in that localeBut I've got similar stories about white panhandlers I've gotten death threats due to my career, but they've come from white criminals(It's basically stupid to send your own attorney a death threat, btw lol)

You do not determine the yarn or needle to use by the stitch count! Stitch count only determines the number to cast onThe yarn weight can influence the number possible to cast on in an inch, but there is a lot of variance hereThe needle size can vary as well, with the same yarn, or the number of stitchesYou can simply take out the ribbing that is there, unravel it, and then use the same yarn that was there, and re-knit it as a ribThere is a wide variety of ribs possible as wellyou need to determine the pattern used by studying the other sleeveIf you are going to do both, then it doesn't matteryou can use your own pattern, as long as both are the sameIf there is ribbing on the bottom hem, use that as a guideYou can knit the ribbing up and sewing it on, or pick up stitches along the sleeve fabric, and knit downYou may have to use rather fine gauge needles, and may want to use a fine gauge knitting machine to do the ribbingThere is no shame in using thatYou may be able to find commercially made ribbing in the same colour, and save yourself a lot of work.