Answer:
696 miles at the first day, and 174 miles at the second day.
Explanation:
Given:
Richard and Linda enjoy visiting Hilton Head Island, South Carolina.
The distance from their home to Hilton Head is 870 miles.
So, the drive takes them 2 days.
Richard and Linda travel four times as far the first day as they do the second day.
Question asked:
How many miles do they travel each day?
Solution:
Let Richard and Linda traveled at the first day =

Then Richard and Linda traveled at the second day will be =

Total distance from their home to Hilton Head = 870 miles
Traveled at the first day in miles + Traveled at the second day = 870

By substituting the value:
Richard and Linda traveled at the first day =
= 174 miles
Richard and Linda traveled at the second day will be =

Therefore, they traveled 696 miles at the first day and 174 miles at the second day.