3 pupils

3 pupils cleaned 10 meters of the stream in 1 hour. How many meters of the stream will clean 18 students in 4 hours?

Correct answer:

x =  240 m

Step-by-step explanation:

z=10/(3 1)=1033.3333 m/h x=18 4 z=18 4 3.3333=240 m



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