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Posted by **PLEASE HELP!!!** on Wednesday, January 26, 2011 at 1:58pm.

- MATH -
**Reiny**, Wednesday, January 26, 2011 at 2:11pmlet speed of slower plane be x mph

then speed of faster plane is x+100 mph

solve for x

4x + 4(x+100) = 3040

- MATH -
**Tristan**, Wednesday, January 26, 2011 at 2:27pmI got x=330 what do i do from there. How do i get the speed of each plane from there?

- MATH -
**Reiny**, Wednesday, January 26, 2011 at 2:57pmI defined x as the speed of the slower speed

so the slower plane has speed of 330 mph

I defined x+100 as the speed of the faster plane, so

faster plane goes (330+100) or 430 mph

check:

what is 4(330) + 4(430) ?

- MATH -
**Tristan**, Wednesday, January 26, 2011 at 3:02pm3040...okay thanks

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