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ork.com/imathas/assessment/showtest.php?action-skip&to-14; score in gradebook: 0 out of 1 Reattempt this question Question with last attempt is displayed for your review only A kineti c sculpture team took 6 minutes to race down a river with a current of 4 mph, and 11 minutes to travel back. Use the following system of equations to find the rate r of the kinetic sculpture teanm. The kinetic sculpture team raced at # miles per hour. Preview TIP Enter your answer as a number (like 5,-3, 2.2172) or as a calculation (like 5/3, 243, 5+4) Enter DNE for Does Not Exist, oo for Infinity

Explanation / Answer

6 ( r + 4 ) = d

11 ( r - 4) = d

setting both equations equal

6( r+ 4) = 11 ( r - 4 )

6r + 24 = 11r - 44

11r - 6r = 24 + 44

r = 13.6

so, the kinetic scrupture leam raced at 13.6 miles per hour

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