There are 17 men and 26 women in a choir the choir is going to sing at a concert one of the men and women are going to be chosen to make a pair to sing the first song. work out the number of different pairs that can be chosen

For starters, you need to add 17 and 26 together, which equals 43. Then, you have to divide 43 by 2 because one man and one woman are going to be in each pair. 43 divided by 2 equals 21.5. you need to round 21.5 to the nearest one, and that would be 22. 

So the number of pairs that could be chosen are 22. I hope I was able to solve your problem.