Question 1090603

Two buses A & B leave the same bus depot , A towards north,B towards east.after four hours the distance between the two buses is 100 km . 
determine the speed of the bus A if it travels at the speed of 5 km/h more than that of bus B?
<pre>Correct answer: {{{highlight_green(matrix(2,6, Speed, of, bus, "A:", 20, "km/h", Speed, of, bus, "B:", 15, "km/h"))}}}
This scenario involves a 3-4-5 Pythag triple, times 20.
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