mathewmarandi8410 mathewmarandi8410
  • 26-04-2024
  • Mathematics
contestada

A can do a piece of work in 20 days. He works at it for 5 days, and then B finishes it in 10 more days. In how many days will A and B together finish the work?
a) 5 days
b) 6 days
c) 7 days
d) 8 days

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