Answer:
since the ratio is 7:3:5 and there are 42 yellow. since thats the case I divide 42 by 7 to get 6. so then 3*6= 18, and 5*6=30. so really there are 42 yellow: 18 pink balls: and 30 green balls so the total in the bag is 90 balls in the bag.
Step-by-step explanation:
