Answer: There would be 24 butterflies.
Explanation:
Given: The ratio of butterflies to bees in Juan's insect collection is 3 :4.
Let 3x = Number of butterflies
4x = Number of bees
As per given, 4x = 32 (number of bees)
x= 8 [Divide both sides by 4]
Number of butterflies = 3x = 3 (8)=24
Hence, there would be 24 butterflies.