How long for loader to do job entirely by itself
Two front-end loaders can remove 3/4 of dirt from the excavation in 1 4/5 days. Working alone, loader A would take two days longer than loader B working alone to remove all dirt. How long for A to do job entirely by itself?
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Working alone, loader A would take two days longer than loader B working alone to remove all dirt. How long for A to do job entirely by itself?
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Average speed on way to airport was 100mph, and average speed returning was 150mph. Determine distance between two airports if total flying time was 5 h.
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