The correctly punctuated sentence is:
Andre went on vacation; he had a great time.
Responses
Andre went on vacation he had a great time . . .
Andre went on vacation he had a great time . . .
Andre went on vacation he had a great time.
Andre went on vacation he had a great time.
Andre went on vacation; he had a great time.
Andre went on vacation; he had a great time.
Andre went on vacation, he had a great time.
1 answer
The correctly punctuated sentence is:
Andre went on vacation; he had a great time.