Question

20 customers are eating at a local resturant. of the 20 customers 4 have enough to pay cash, 16 have enough to pay card and 3 have enough to pay cash and card, what is the probability that the customer has enough to pay card

Answer 1

19/20

Explanation:

20 is the total number of people (the denominator) and 19 is the amount of people able to pay card (the numerator)