Julie wants to express $108 in 6 weeks as a unit rate.
Her errors are:
$108 = $54   (Not true)
6 weeks = 3 weeks (Not true).
Instead,

The correct unit rate is 18 $/week.
 
        
        
        
You know that it's a bot when it says "explanation in file".
They forgot to put a question, there's nothing to answer...
 
        
             
        
        
        
D (0, -3)
E (1, 0)
F (2, -1)
        
                    
             
        
        
        
EF = 50 in.
In similar figures, corresponding sides are proportional.  We use the similarity statement ABCD~EFGH to write a proportion:

Cross multiply the proportion:
45*x = 75*30
45x = 2250
Divide both sides by 45:
45x/45 = 2250/45
x = 50
 
        
        
        
Answer:
Step-by-step explanation:
<u>Work hours Monday till Friday:</u>
- 3.5 + 5 + 2.5 + 4 + 2 = 18 hours
<u>Payment for 5 days:</u>
- 15*$8 + (18 - 15)*$10 = $150
<u>Payment for Saturday:</u>
<u>Total payment:</u>