Answer:
Therefore, the number of miles of the trip that are not uphill is 220/3 miles, which is approximately 73.33 miles, and cannot be reduced any further.
Let's first find out how many miles of the trip are uphill:
If the entire trip is uphill, then the entire distance of 110 miles is uphill.
If half of the trip is uphill, then the distance uphill is 110/2 = 55 miles.
If one-third of the trip is uphill, then the distance uphill is 110/3 ≈ 36.67 miles.
If two-thirds of the trip is uphill, then the distance uphill is 2/3 * 110 ≈ 73.33 miles.
Since we know that less than the entire trip is uphill, we can eliminate the first option.
Out of the remaining options, only one-third of the trip being uphill results in a reduced fraction when we subtract it from the total distance of the trip:
110 - 110/3 = 220/3
To reduce 220/3 to lowest terms, we can divide the numerator and denominator by their greatest common factor (GCF), which is 1:
220/3 ÷ 1/1 = 220/3
Therefore, the number of miles of the trip that are not uphill is 220/3 miles, which is approximately 73.33 miles, and cannot be reduced any further.
I hope this helps!