Answer:
B
Explanation:
Note that the absolute value always returns a positive value, that is
| - a | = | a | = a, thus
| 34 - 49 | = | - 15 | = 15 and
| 17 - 24 | = | - 7 | = 7
The sum simplifies to
+

Before adding the fractions must have a common denominator, thus
+

=
+
=
→ B