18. At a sandwich shop, customers can order either a meat or a vegetarian sandwich on either white or wheat bread. Out of a total of 50 customers, 20 ordered a sandwich on white bread, 28 ordered a meat sandwich, and 12 ordered a meat sandwich on white bread. The given information is summarized in the table below.
How many customers ordered a vegetarian sandwich on wheat bread?
Your Answer is
Correct Answer is J
Explanation
There are a total of 50 sandwiches, White has 20, so Wheat has 30,
There are 28 meat sandwiches in total, White has 12, so Wheat has 16.
So the number of vegetables and wheat is: 30-16=14