# Solution: How much earth can each power shovels remove in 1 hour working alone?

On one job, two power shovels excavate 20,000 cubic meters of earth, the larger shovel working 40 hours and the smaller for 35 hours. On another job, they removed 40,000 cubic meters with the larger shovel working 70 hours and the smaller working 90 hours. How much earth can each remove in 1 hour working alone?

#### Problem Statement: ME Board October 1991

On one job, two power shovels excavate 20,000 cubic meters of earth, the larger shovel working 40 hours and the smaller for 35 hours. On another job, they removed 40,000 cubic meters with the larger shovel working 70 hours and the smaller working 90 hours. How much earth can each remove in 1 hour working alone?

Each power shovel could remove 173.9 cu m and 347.8 cu m respectively, in 1 hour working alone.

Solution:

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