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OpenStudy (anonymous):
R= MILE RUN & B=MILE BIKED 7R+4B=90 8R+3B=84 HOW MANY MILE WILL JOHN RUN DURING THE RACE?
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OpenStudy (anonymous):
I WAS TRYING TO DO IT AND I GOT R=6.0 AM I RIGHT
OpenStudy (anonymous):
6.00000001=R
OpenStudy (anonymous):
|dw:1387069088115:dw|
OpenStudy (anonymous):
is that right
OpenStudy (anonymous):
jello
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OpenStudy (anonymous):
Just checked over everything and it looks good. Btw, if you keep -4*8/3 as -32/3, you will find that it is exactly 6. So @ 7R + 4( 28 - (8/3)R) =90. It goes (21/3)R + 112 - (32/3) R = 90, -(11/3)R = -22, -11R = -66, and finally R = 6.
OpenStudy (anonymous):
YEEEEEESS THANK U
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