Brian wrote this expression to describe the total distance he was going to hike in two weeks.

a + 5

which situation could be described by this expression?

a.
brian wasn't sure how far he would hike the first week. he would hike 5 miles the second week.

b.
brian wasn't sure how far he would hike the first week. he would hike 5 miles less the second week.

c.
brian wasn't sure how far he would hike the first week. he would hike 5 times farther the second week.

d.
brian wasn't sure how far he would walk in two weeks. he wanted to walk the same distance each day for 5 days.