Yes, I get that but I don't understand why, when the equation presents both runner and walker, how to connect this d with the walker and thus answer...
Well, it means that the guy walked 3 miles an hour for 1/12th of an hour--accoding to the working out of the equation. So he walked, what? 1/4th of a...
A regional theater sells advance tickets for 10$ and at the door tickets for 15$. The theater has 100 seats. They have to sell 1200$ worth of tickets...
I spend most of an hour today trying to get a plausible solution to this problem to no avail: 7 years ago a daughter was 1/3rd as old as her mom was...