Answer:
Follows are the solution to this question:
Step-by-step explanation:
In point A:
The two-point C and y is given, where C is the scale drawing lengths and y is the actual mural lengths so, the formed equation is:

In point C
:
Using the value of the scale:
let 1 feet: 20 feet
therefore the equation is:

The size of c will be the length of:

The diagram c scale width will be:

Answer:
0.66
Step-by-step explanation:
Note: ALWAYS divide the percentage by 100.
Here is your answer in the format of a PNG file.
The last would be a < 40 if you'd be going under $40.