Answer: The person's speed is 8 miles per hour.
Step-by-step explanation:
To solve we want to convert the
and
proportionally for the number of miles per hour. We know that multiplying a fraction by its reciprocal will equal 1. So let's do that for the value of the hour.
×
Since we multiplied that to the number of hours we must also do that for the number of miles.
×
The average mileage covered per day is = number of miles / number of days.
The average mileage covered per day is =(x+y+z)/3
Y=16x²/9 ....................................