mivantechenko9751
20.08.2019 •
Mathematics
The first painter can finish a paint job in two hours. the second painter can finish the same job in 8 hours. how long will it take them to finish the job if they are working together?
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Ответ:
10/2=5
The answer should be 5 hours.
Ответ:
x-3/(x+1)(5x-2)
This is the answer, first you divide fractions, then factor out the remaining, then factor again, cancel common factor, cancel common factor x-1.