Question

an order for 90 meals had to be changed when the chef was told that 2/3 of the people were vegetarians.how many people were not vegitarians.

Answer 1

If 2/3 of the people were vegetarians, then 1/3 of the people were not vegetarians.

1/3 of 90 meals is equal to 30 meals. Therefore, 30 people were not vegetarians.