You use the graph and count to the left or right and put the coordinates on the spaces
I don’t understand............ummm
Answer:

Step-by-step explanation:
From the question we are told that
Dimension of drawing
20 centimetres by 10 centimetres
Scale of drawing
1 cm:250 cm
Generally the the Main dimension of the pool is mathematically given as

Therefore Area Aof main pool is mathematically given as


I believe the answer is 160.Keep in mind the order of operations.P,E,M+D,A+S. Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction