Part-timers 47393

Fifty part-time workers planted 5,200 trees in a forest on a weekend brigade the forest in 9 hours. How many more part-timers do they have to lose next time to plant the same number of trees in eight hours?

Correct answer:

n =  7

Step-by-step explanation:

m=50 9=450 md  m = (50+n) 8  n=m/850=450/850=7

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