Mathematics, 24.04.2020 19:03 zairam2002
A roofer requires 10 h to shingle a roof. After the roofer and an apprentice work on a roof for 4 h, the roofer moves on to another job. The apprentice requires 8 more hours to finish the job. How long would it take the apprentice, working alone, to do the job?
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A roofer requires 10 h to shingle a roof. After the roofer and an apprentice work on a roof for 4 h,...
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