Final answer:
Paris must run an additional 5.189 miles to reach his goal.
Step-by-step explanation:
To find out how many more miles Paris must run to reach his goal, we need to add up the distances he has already run and subtract that from his goal distance.
Paris ran 2.456 miles on Monday, 2.5 miles on Tuesday, and 0.375 miles on Wednesday.
To add up these distances, we can write the calculation:
2.456 + 2.5 + 0.375 = 5.331
So far, Paris has run 5.331 miles.
To find out how many more miles he must run to reach his goal of 10.520 miles, we can subtract his total distance from his goal distance:
10.520 - 5.331 = 5.189
Paris must run an additional 5.189 miles to reach his goal.