Traditional Culture Encyclopedia - Weather forecast - The following is a statistical chart of the weather in a city for one month. (1) cloudy and sunny () (). (2) It is cloudy in rainy days.

The following is a statistical chart of the weather in a city for one month. (1) cloudy and sunny () (). (2) It is cloudy in rainy days.

As can be seen from the figure, it is sunny 1 1 day, cloudy for 4 days, cloudy for 9 days and rainy for 7 days;

(1) The number of cloudy days is 9 1 1 of the number of sunny days.

(2) The number of rainy days is 7/9 of the number of cloudy days,

(3) How many times does sunny day account for cloudy day?

4÷ 1 1= 4 1 1 ;

A: The number of sunny days and cloudy days is 4 1 1.

So, the answer is: 9 1 1, 7 9. How many days are cloudy?