Question

a certain shade of pink is created by adding 3 cups of red paint to 12 cups of white paint. a. how many cups of red paint should be added to 1 cup of white paint?

Answer 1

it has to be added 3/12=1/4 cups od red paint, because if we need 3 of red for 12 of white we will need 3/12 cups of red for each cup off white