Answer:
20
Step-by-step explanation:
u have to look at the 9 after the decimal and if it is 5 or above then it goes up
ANSWER
The solution is

<u>EXPLANATION</u>
We have

and

Let us substitute equation (1) in to equation (2). This gives us,

We rewrite this as a quadratic equation as the highest degree is 2.

This implies that

we factor to obtain,



This means,


We substitute this values into any of the above equations, preferably equation (1)
When,
, 
When,
, 
The solution is

1. sun gives warmth and the clothes will dry faster
2. the water from the clothes evaporates into the air -> air is moist -> more chance of mold in the room
119 I believe since a straight angle sums up to 180