angelaamorer angelaamorer

14-01-2021
Mathematics

contestada

The time (t) required to finish a certain job is inversely
proportional to the number of persons (p) on the job. If 10
persons can finish the job in 6 hours, how long will it take
for 30 persons to finish the job?

Respuesta :

pancake1127 pancake1127

14-01-2021

18 hours

Step-by-step explanation:

6/10=0.6 hours (one person takes 0.6 hour)

0.6×30=18 hours

or another way 10 is 1/3 of 30. so

6:1/3=18

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