Please answer the following, thanks!

1. Jamal has 1,240 songs on his MP3 player, and 40% of the songs are rock songs. How many of the songs are NOT rock songs?

2. Rianda bought 32 apples. She set aside 25% to eat and divided the rest equally among 6 pies. How many apples are in each pie?

3. The math class has a set of 40 calculators, and 85% of the calculators have working batteries. How many calculators need new batteries?