christine2it christine2it

28-09-2014
Mathematics

Answered

Jones and Brown start from two points, which are 375 miles apart and travel toward each other. The latter travels twice as fast as the former. They meet in 5 hours. Find the rates per hour.

I put it in the boxes like my teacher did but I am not sure I am doing it correctly. I came up with Jones =25mph
Brown = 50 mph

Verified Answer :

crisforp crisforp

29-09-2014

Let x be the rate per hour for Brown;
Then 2x is the rate per hour for Jones;
We have the equation: 375 = 5 ( 2x ) + 5 x ;
=> 375 = 10x + 5x;
=> 375 = 15x;
=> x = 375 ÷15;
=> x = 25mph ;
=> 2x = 50mph.

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