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deedee39 deedee39
  • 02-06-2016
  • Mathematics
Answered

a cable installer can make 42 installations in 6 hours how long will the installers been making a hundred and forty-seven installations

Verified Answer :

Anonymous Anonymous
  • 02-06-2016

This problem can solve by the rule of three.
42 installations-----------------------6 hours
147 installations---------------------- x

x=(147 installations * 6 hour) / 42 installations=21 hours.

Answer: 21 hours.

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NirantheriV
NirantheriV NirantheriV
  • 02-06-2016

147/42=3.5*6=21
21 hours is your answer

Answer Link

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