19 is 1:3 2:8 4:6 5:7
18 is I think... 2:4 1:7 3:5 8:6
Answer is D.
Last one...
hope it helps
Answer:
4 cups of yellow with 7 cups of blue
Step-by-step answer:
simply just double both amounts of paint and the ratios should even making the same shade of paint
