anonymous
  • anonymous
A climber goes up the lower part of a 50-foot climbing wall at a rate of 1.2 ft/min. The upper part of the wall is more difficult, and she climbs at 0.8 ft/min. She reaches the top of the wall in 51.5 min. How long did it take her to climb the lower part of the wall? At what height on the wall did her rate change? A. lower ascent in 22 min; rate changed at 26.4 feet B. lower ascent in 23.5 min; rate changed at 28.2 feet C.lower ascent in 25 min; rate changed at 30 feet D. lower ascent in 9.5 min; rate changed at 9.7 feet
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
hey, that's the same question!!! the answer is as before...
anonymous
  • anonymous
so is it D????
anonymous
  • anonymous
or A??

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anonymous
  • anonymous
lower ascent was done in 22 min. didn't you see my solution?
anonymous
  • anonymous
i guess not....

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