machine that drills holes for wells drilled to a depth of −72 feet in one day ( 24 hours). how many hours will it take until the drill reaches its final depth of −132

Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter13: Division Of Decimal Fractions
Section: Chapter Questions
Problem 15A: How much stock per stroke is removed by the wheel of a surface grinder if a depth of 4.725...
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A machine that drills holes for wells drilled to a depth of

−72

feet in one day (

24

hours).

how many hours will it take until the drill reaches its final depth of

−132

feet?

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