math
posted by
anne
.
3 boys and 3 girls,how many boy  girl pairs can be formed ?

math 
khan
18

math 
lindy
could u please explain how u work it out,thanks

math 
khan
1 2 3
1 2 3
(1,1)(1,2)(1,3)
(2,1)(2,2)(2,3)
(3,1)(3,2)(3,3)
Total of 18 selections and 9 pairs
understood?

math 
lindy
sorry, I 'm still not understand