A survey of shoppers at a grocery store found that 40% of shoppers were buying food for a week or more. If 50 shoppers were surveyed, how many shoppers were buying food for a week or more?
If 40% of shoppers were buying food for a week or more, then 40/100 * 50 = <<40/100*50=20>>20 shoppers were buying food for a week or more. Answer: \boxed{20}.
