Answer:
Brian Peters worked for total of 45 hours.
Step-by-step explanation:
Let the total number of hours worked be 'x'.
Now Given:
Hours spent on other projects = 18 hours.
Also Given:
60% of a week's time working on drawings for a new apartment building.
Hours spent on new apartment building = 
We need to find the total hours worked.
Solution:
Now we can say that;
total number of hours worked is equal to sum of Hours spent on new apartment building and Hours spent on other projects.
framing in equation form we get;

Combining like terms we get;

Now Dividing both side by 0.4 we get;

Hence Brian Peters worked for total of 45 hours.
Y=.05x +4100
Y=.05(3)+4100
Y=.15+4100
Y=4100.15
The set of coordinates represent B.Rectangle.
All you have to do is to double to amount needed for each part to meet the same ratio as the red. so, you will need 6 cream and 2 blue.
X equals 4. (this is supposed to be 20 characters long so i’m just typing randomly)