Some spraying work can be done by
17 machines in 120 days. If the work is to be
done in 102 days, how many more machines
will be required?
Answers
Answered by
6
Step-by-step explanation:
120 days-17 machines
120 days-17 machines1 day-17×120 machines
120 days-17 machines1 day-17×120 machines102 days-17×120÷102
120 days-17 machines1 day-17×120 machines102 days-17×120÷102=20 men
120 days-17 machines1 day-17×120 machines102 days-17×120÷102=20 menThus, 20 machines can complete the work in 102 days.
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