Respuesta :

yminose731

Answer:

6

Step-by-step explanation:

            red                blue               green           purple

red                           red/blue        red/green   red/purple

blue     red/blue                           blue/green  blue/purple

green   red/green   blue/green                       green/purple

purple  red/ purple  purple blue purple/green

i did not include red/red since the question asks for DIFFERENT PAIRS. same with the combinations that are repeated

plz give me a brainliesttttttt