NEW YORK — The Las Vegas ensemble comedy “Think Like a Man Too” topped a slow weekend at the summer box office with $30 million.

“Jersey Boys,” Clint Eastwood’s adaptation of the Tony-winning Broadway musical about Frankie Valli’s group, opened in fourth. The film drew an overwhelmingly older audience, with 71 percent of its crowd over the age of 50.

Overall business was down considerably. Openings last year on this weekend were “Monsters University” and “World War Z” that led a gross that was 38 percent higher.

Estimated U.S. and Canadian weekend sales were:

1. “Think Like a Man Too,” $30 million

2. “22 Jump Street,” $29 million

3. “How To Train Your Dragon 2,” $25.3 million

4. “Jersey Boys,” $13.5 million

5. “Maleficent,” $13 million

6. “Edge of Tomorrow,” $13.3 million

7. “The Fault in Our Stars,” $8.6 million

8. “X-Men: Days of Future Past,” $6.4 million

9. “Chef,” $1.8 million

10. “Godzilla,” $1.8 million.