SOLUTION: The Natchez Trace Parkway is a historical 444-mile route from Natchez, Mississippi, to Nashville, Tennessee. A couple drove the Trace in four days. Each day they drove 6 miles mo

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Question 401024: The Natchez Trace Parkway is a historical 444-mile route from Natchez, Mississippi, to Nashville, Tennessee. A couple drove the Trace in four days. Each day they drove 6 miles more than the previous day. How many miles did they drive each day?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let d = distance they drove the 1st day
1st day:
d
2nd day:
d+%2B+6
3rd day:
d+%2B+12
4th day:
d+%2B+18
given:
d+%2B+d+%2B+6+%2B+d+%2B+12+%2B+d+%2B+18+=+444
4d+%2B+36+=+444
4d+=+408
d+=+102
d+%2B+6+=+108
d+%2B+12+=+114
d+%2B+18+=+120
They drove 102 mi the 1st day,
108 miles the 2nd day
114 miles the 3rd day, and
120 miles the 4th day
check answer:
102+%2B+108+%2B+114+%2B+120+=+444
444+=+444
OK