Answer:
The correct option is 1. Janet walks 4.7 miles.
Step-by-step explanation:
It is given that Janet purchases an activity tracker to record her steps. Her goal is to walk 10,000 steps each day and average step length is 30 inches.
If she walks 10,000 steps in a day, then the total distance covered by Janet is
Total distance covered by Janet is 300,000 inches.
1 inch = 0.000015782828
Using this conversion we get
Janet walks 4.7 miles. Therefore the correct option is 1.