Question

Person A leaves his home to visit his cousin, person B, who lives 78 miles away. He travels at an average rate of 50 miles per hour. One half-hour later, person B leaves her house to visit person A, traveling at a

average rate of 56 miles per hour. How long after person B leaves will it be before they meet?

Answer 1

`(1)/(2)` hour later

Explanation:

Since Mr.A has already traveled 25 miles there are 53 miles left to person B's house. In half an hour, Mr. A will have traveled 25 miles, while person b will have traveled 28. 25 + 28 = 53.

Answer 2

it will b 23 minutes after person b leaves