Final answer:
Linda drove 68.43 miles farther on Tuesday than Monday.
Step-by-step explanation:
To calculate how much farther Linda drove on Tuesday than Monday, we need to find the difference between the two distances.
Linda drove 129.8 miles on Monday and 198.23 miles on Tuesday.
So, the difference is:
198.23 - 129.8 = 68.43 miles.
Therefore, Linda drove 68.43 miles farther on Tuesday than Monday.