There are 18 south American butterflies in the park
Given that , A ratio of north america butterflies to south american butteries at the park is 5 : 3
And the ratio of south american butterflies to eurpopean butterflies is 3:2.
There are 30 north american butterflies at the butterflies at the butterfly park
Number of north America butterflies : number of south American butterflies = 5 : 3
30 : number of south American butterflies = 5 : 3
[ since there are 30 north butterflies ]
[tex]\frac{30}{\text { number of south american butterflies }}=\frac{5}{3}[/tex]
[tex]30 \times 3=\text { number of south American butterflies } \times 5[/tex]
[tex]\text { Number of south American butterflies } \times 5=90[/tex]
Number of south American butterflies = 18
Hence, there are 18 south American butterflies in the park.
