Philadelphia, pennsylvania, is 2,147 miles from salt lake city, utah, and 2,868 miles from portland, oregon. what is the difference in the round-trip distances between philadelphia and each of the other two cities? explain whether you need an estimate or exact answer.

1442 miles.

Step-by-step explanation:

Given : The distance between Philadelphia and Salt Lake City = 2,147 miles

⇒ Round-trip distances between Philadelphia and Salt Lake City

The distance between Philadelphia and Portland = 2,868 miles

⇒ Round-trip distances between Philadelphia and Portland

Clearly, 5736 > 4294

Difference= 5736 - 4294=1442

[Note : We have no such need to estimate.]

Hence, the exact difference in the round-trip distances between Philadelphia and each of the other two cities = 1442 miles.

C

Step-by-step explanation:

Hope This Helps!

Plz Mark Brainliest!