math word problems

A man picked some fruit. He picked 40 fruit and 7 apples. The next day he picked 14 apples and bought 12 pizzas. How much pizzas did he buy?

A Peashooter shot 40 peas at some zombies. It takes 8 peas to kill a zombie. How many zombies got killed? Is this addition, subtraction, multiplication, or division?

A citron killed 72 zombies. It takes 5 seconds for a citron to shoot a block, but the blocks can kill a normal zombie in 1 hit! How many seconds did it take?