2023 07-18 TS 每日一练

Monday

A bakery owner is analyzing the sales data for a certainnumber of days in December. The owner records the following information:

There were 12 days when croissants were sold either in themorning or in the afternoon.

There were 10 mornings when no croissants were sold.

There were 16 afternoons when no croissants were sold.

Every morning with croissant sales was followed by an afternoonwith no croissant sales.

How many days of sales data did the bakery owner analyze?

A. 18

B. 19

C. 21

D. 17

Monday

Answer is B