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March 26, 2015

March 26, 2015

Posted by **Amber** on Monday, November 16, 2009 at 7:20am.

- Math, not "9th grade" -
**Writeacher**, Monday, November 16, 2009 at 8:01amAssistance needed.

Please type your__subject__in the**School Subject**box. Any other words are likely to delay responses from a teacher who knows that subject well.

- 9th grade -
**bobpursley**, Monday, November 16, 2009 at 10:56amThe fly a combined 2100km

2100km=500km/hr*time1 + 700km/hr*time2

but time2=time1-1

2100=500*time1+700(time1-1)

now solve for time 1

- 9th grade -
**Timothy**, Tuesday, January 19, 2010 at 7:40pmThe equation to simply put words into numbers would be....."500x + 700x - 700 = 2100".....

Then if you solved for "x", you would get x=7/3.

So the plane and jet will meet in 7/3 hours. If yoy add that to 12:00 PM being noon, you would get 2:20, so the plane and the jet will meet at 2:20 PM.

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