Alex is making homemade cereal. For every 3 cups of granola, he adds 1 cup of dried cranberries. If he uses a total of 3 cups of dried cranberries, how many cups of granola are in the cereal?

2 answers

What do you think?

Please try to figure it out yourself.
cran/gran = 1/3

1/3 = 3/x

x = 9