Question

ANSWER PLS ASAP

Answer 1

Lets say for arguments sake that the bag contained  2 blue and 3 red marbles

p:q = 2:3 In order  to get a ratio of 2:1 we would have to add 4  blue  marbles

(6:3 = 2:1).

So the ratio p to r =  2:4  = 1:2  answer.