Alice leaves her home and walks toward Bob's house. One hour later, Bob leaves his home and walks toward Alice's house. The distance between their homes is 41 kilometers, Alice's walking speed is 5 km/h, and Bob's walking speed is 4 km/h. How many kilometers will Alice walk before she meets Bob? Pick:
A) 22 B) 25 C) 27 D) 38 E) 30
Alice walks 5 km in the first hour so there are 36 km remaining.   When Bob starts walking, they complete a total of 9 km per hour.   They will meet four hours after Bob starts walking.   Since Alice walks for 5 hours, she walks 25 km.   The answer is 25.
<result>B</result>
Alice leaves her home and walks toward Bob's house. One hour later, Bob leaves his home and walks toward Alice's house. The distance between their homes is 41 kilometers, Alice's walking speed is 5 km/h, and Bob's walking speed is 4 km/h. How many kilometers will Alice walk before she meets Bob?