A worker can assemble 3 shelf units each hour. During the fifth hour of the shift, there were 115 shelf units in the warehouse. How many units were assembled before the shift started?

Question

Mathematics

Viviana Carr

24 August, 09:20

A worker can assemble 3 shelf units each hour. During the fifth hour of the shift, there were 115 shelf units in the warehouse. How many units were assembled before the shift started?

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Chuckles · Answer 1

A worker can assemble 3 shelf units each hr. During the 5th hr ... so the shift has been going on for 5 hrs ... at 3 units per hr = (3 * 5) = 15 units assembled during the shift ... and if there was 115 units in the warehouse, then that means before the shift, there were (115 - 15) = 100 units assembled <=