Answer: 240 eggs
Explanation:
The first kind of butterfly lays 12 eggs at a time. If there were 8 of them they would lay:
= 12 * 8
= 96 eggs
The second kind lays 18 eggs a time. 8 of them would lay:
= 18 * 8
= 144 eggs
Total number of eggs is:
= 96 + 144
= 240 eggs