The ratio of North American butterflies to South American butterflies at a butterfly park is 9:5. The ratio of South American to European butterflies is 5:3. There are 135 North American butterflies at a butterfly park.
Part 1 out of 2
How many South American Butterflies are there?
So since the number in the ratio is 9 for North American butterflies, u have to do 135 divided by 9. Then, you take the 5 and multiply it to the answer you got for 135 divided by 9. So u will get the amount of South American butterflies.