Answer:
C) lifeguarding
Explanation:
If you divide the monitary value by the number of hours you get the hourly rate
Yard work= $6.90/hour
babysitting = $4.40/hour
lifegaurding = $7.70/hour
camp counselour = $7.60/hour
lifegaurding makes the most money per hour worked therfore would take the least hours of working to reach $1000