Question 824554
A and B set out simultaneously to meet each other from two places 165 km apart. 
A travels 15 km the first day, 14 km the second, 13 km the third and so on. 
While B travels 10 km the first day, 12 km the second, 14 km the third and so on.
 When will they meet? 4 days 8 days 6 days 10 days.
:
I can't seem to find an equation to solve this, the brute force method:
When they meet they will have traveled a total of 165 mi
Find the total Each day. 6 days is the winner
Day Adist Bdist
 1  15  10 
 2  14  12 
 3  13  14
 4  12  16
 5  11  18
 6  10  20
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total 65 + 90 = 165 mi