anonymous
  • anonymous
the speed of a train is 6mph slower thant the speed of train b. train a travels 190 miles in the same tme it takes train b to travel 220 miles.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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Hero
  • Hero
You forgot to ask the actual question
anonymous
  • anonymous
i did, but i typed it wrong and deleted it.
anonymous
  • anonymous
speed of train a? speed of train b? I keep getting different answers

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anonymous
  • anonymous
what answers did you get?
anonymous
  • anonymous
speed*hrs = 220 and (speed-6)*hrs = 190 btw
anonymous
  • anonymous
5 hours have gone by, because the trains are 30 miles apart
anonymous
  • anonymous
hence 44 and 38
anonymous
  • anonymous
once i got 42 and 35
anonymous
  • anonymous
42-35 = 7 difference wups
anonymous
  • anonymous
but i think i multiplied wrong
anonymous
  • anonymous
im working it again to check
ash2326
  • ash2326
Let speed of Train B be x miles/hr Then speed of train A is (x-6) miles/hr it's given that in equal time train A covers 190 miles and train B covers 220 miles so \[ \frac{190}{x-6}=\frac{220}{x}\] or\[190(x)=220(x-6)\] \[190x-220x=-1320\] \[-30x=-1320\] \[x=44\] so spee of train B is 44miles/ hour and train A's speed is 38 miles/hour
anonymous
  • anonymous
i did. i multiplied wrong and put the wrong number down in my equation. simple mistakes ugh/ thanks

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