There are 4 blue beads and 20 red beads
There are 2 blue and How many red?
3 blue and how many red?
30 red and how many blue?
9 blue and how many red?
The total is 60 how many red and blue?

Respuesta :

2 blue= 10 red
3 blue= 15 red
30 red= 6 blue
9 blue= 45 red
10 blue 50 red