hurstsierra25
15.12.2021 •
Mathematics
A mason can build a wall in 9 hours less than an apprentice. Together they can build the wall in 6 hours. How long would it take the apprentice, working alone, to build the wall?
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Ответ:
100% - 12.6% = 87.4%
12.6% x 32000 = 4032
32000 - 4032 = 27968
pls mark me as brainliest!