Brenda ran 20 miles in 5 days
Solution:
Given that, Brenda runs 4 miles every day
To find: Equation to find the number of miles she runs in 5 days
From given statement,
Number of miles ran in 1 day = 4 miles
Let "x" be the number of miles ran in 5 days
Therefore,
number of miles ran in 5 days = Number of miles ran in 1 day x 5


Thus she ran 20 miles in 5 days