Final answer:
Luke will earn a total of $418.50 on Saturday by completing three separate jobs with a combination of hourly earnings and flat rate service fees.
Step-by-step explanation:
The question involves calculating the total earnings for Luke, a locksmith, on a particular Saturday. Luke gets paid an hourly rate plus a flat service fee for each job.
First, we need to calculate the total hours Luke works on Saturday:
- Job 1: 1 ½ hours
- Job 2: ¼ hour
- Job 3: 1 ¼ hours
Add these up to find the total hours worked:
1 ½ + ¼ + 1 ¼ = 3 hours
Next, calculate Luke's total hourly earnings:
3 hours × $64.50/hour = $193.50
Now, add the flat rate service fee for each job:
3 jobs × $75/job = $225
Finally, add the total hourly earnings and the flat rate fees to find the total earnings:
$193.50 + $225 = $418.50
Luke will earn $418.50 on Saturday.