The excavation

The excavation for the city sewer was 38 m long, 2.2 m wide, and 3 m deep.

a) How many cubic meters of soil were dredged
b) How many journeys had to be made by one car when removing the soil, if they loaded an average of 4.5 m of cubic soil on each journey?

V =  250.8 m3
n =  56

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