I had to do this and it’s fake, my whole class got it wrong even though we all put the right answer so ya
75 because it’s 75 because if you mitltkruwjbd
Well for THIS one you'd have to find how many miles he hikes in ONE day, so you would divide 14 by 2 to get 7 miles per day, and to find how many days he hiked in 42 miles, just divide 42 divided by 7 which equals 6, so it took him 6 days to hike 42 miles. =)
I hope I helped! =D
a. Use the inclusion/exclusion principle.

b. By definition of conditional probability,
