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December 18, 2014

December 18, 2014

Posted by **Math >,<** on Monday, September 24, 2012 at 5:50pm.

b. Assuming the girls run at the same rate as before, how far behind the starting line should Yolanda be in order for the two to finish in a tie?

(please explain i don't get this!)

- Math -
**Scott**, Monday, September 24, 2012 at 9:09pmYoko's speed is 9/10 of Yolanda's

in the time it takes Yolanda to run 110 yd, Yoko runs 99 yd

so Yolanda wins the second race by a yard

for a tie, the 100 yd that Yoko runs must be 9/10 of the distance that Yolanda runs

.9 x = 100 __ x = 1000/9

Yoko runs 100 yd (900/9); and Yolanda runs an extra 100/9 yd (11 yd 4 inches)

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