B. Calculate the distance Kinsey jogs if

she jogs'mile each day for 9 days.

9x miles

Step-by-step explanation:

Distance covered per day = x mile per day

Number of days = 9days

Unknown:

Distance covered for 9 days = ?

Solution:

This is a simple problem.

Since Kinsey covered a distance of x mile/day, in 9 days:

x mile is covered in 1 day;

1 day, Kinsey covers x mile

9 days, she will cover 9 x (x) miles = 9x miles