a cable installer can make 42 installations in 6 hours how long will the installers been making a hundred and forty-seven instal
lations
2 answers:
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.
147/42=3.5*6=21
21 hours is your answer
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