SOLUTION: PLEASE HELP ME- FRED BEGINS TO WALK TOWARDS JONS HOUSE AT 3 MI/H. JON LEAVES AT THE SAME TIME AND WALKS TOWARDS FREDS HOUSE ON THE SAME PATH AT 2 MI/H. HOW LONG WILL IT TAKE BEFORE

Question 126231: PLEASE HELP ME- FRED BEGINS TO WALK TOWARDS JONS HOUSE AT 3 MI/H. JON LEAVES AT THE SAME TIME AND WALKS TOWARDS FREDS HOUSE ON THE SAME PATH AT 2 MI/H. HOW LONG WILL IT TAKE BEFORE THE TWO WILL MEET IF THE HOUSES ARE 4 MILES APART?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
First think about what is generally true. They meet
somewhere in the middle, so the sum of their walks
is 4 miles. They leave at the same time, so the
time each spends walking is exactly the same.
Now you can start
Let = distance in miles Fred walks
Let = distance in miles Jon walks
what I just said
Let = time in hours they both spend walking

Now add these equations

hr
or
They will meet in minutes answer
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