Question

I need the steps to solve please:

Answer 1

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$10,000\times 30=300,000$

Total distance covered by Janet is 300,000 inches.

1 inch = 0.000015782828

Using this conversion we get

$300000\text{ inches}=0.000015782828\times 300000\text{ miles}$

$300000\text{ inches}=4.73484848\text{ miles}$

$300000\text{ inches}\approx 4.7\text{ miles}$

Janet walks 4.7 miles. Therefore the correct option is 1.

Answer 2

First, find how many inches she walks. 30*10000=300,000.

Next, find the mile-inch conversion rate. 1 mile equals to 5280 feet which is equal to 63360 inches. 

Convert inches to miles. 300000/63360=4.7 miles