Step-by-step explanation:
$21=per hour mowling
$17=per hour gardening
only work 16 hours per week
Goals =$275 per week
$275÷16 hours=$17.1875(Each hour in a week)
mow lawns= $17.1875 ×$12=$206.25(for 16 hours)
gardening=$17.1875 ×$17=$292.1875(for 16 hours)
mowling lawns=$275÷$21=13.0952380952(13 hours,12 minutes and 30 seconds)
Gardening =$275÷$17= $16.1764705882 (970 hours,9 minutes,80 seconds)
A little help not fully answered