Answer:
The ratio of non-winners in group A to non-winners in group B is
576 : 515.
Step-by-step explanation:
It is provided that, in group A, of the 720 people of the people will win $15 fuel cards.
The number of people winning the cards is:
Then the number of people not winning cards in group A is:
Also the same number of people win the cards in group B of 659 people.
Compute the number of people not winning cards in group B as follows:
Compute the ratio of non-winners in group A to non-winners in group B as follows:
Thus, the ratio of non-winners in group A to non-winners in group B is
576 : 515.