Jaystattik
Jaystattik Jaystattik
  • 01-10-2014
  • Mathematics
Answered

The sum of the speed of two trains is 722.7 miles per hour. If the speed of the first train is 3.3 mph faster than the second train find the speeds of each

Answer :

luana
luana luana
  • 01-10-2014
[tex]x-speed\ of\ first\ train\\x-3.3-speed\ of\ second\ train\\\\x+x-3.3=722.7\\x+x=722.7+3.3\\2x=726\\x=363\\\\x-3.3=363-3.3=359.7\\\\Speed\ of\ first\ train\ is\ 363 mph,\ speed\ of\ second\ train\ is\ 359.7.[/tex]
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