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A stepper is a piece of equipment in semiconductor manufacturing. Each wafer's initial pass through the stepper requires 15 minutes. For 40 percent of wafers, they make only a single pass through the stepper. But 60 percent of wafers need to make a second pass through the stepper. The processing time on the second pass is 40 minutes. Instruction: Round your answer to 2 decimal places. How many wafers does the stepper complete per hour (wafers/hr)? per hour

A stepper is a piece of equipment in semiconductor manufacturing. Each wafer's initial pass through the stepper requires 15 minutes. For 40 percent of wafers, they make only a single pass through the stepper. But 60 percent of wafers need to make a second pass through the stepper. The processing time on the second pass is 40 minutes. Instruction: Round your answer to 2 decimal places. How many wafers does the stepper complete per hour (wafers/hr)? per hour

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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A stepper is a piece of equipment in semiconductor manufacturing. Each wafer's initial pass through the stepper requires 15 minutes. For 40 percent of wafers, they make only a single pass through the stepper. But 60 percent of wafers need to make a second pass through the stepper. The processing time on the second pass is 40 minutes. Instruction: Round your answer to 2 decimal places. How many wafers does the stepper complete per hour (wafers/hr)? per hour
Transcribed Image Text:A stepper is a piece of equipment in semiconductor manufacturing. Each wafer's initial pass through the stepper requires 15 minutes. For 40 percent of wafers, they make only a single pass through the stepper. But 60 percent of wafers need to make a second pass through the stepper. The processing time on the second pass is 40 minutes. Instruction: Round your answer to 2 decimal places. How many wafers does the stepper complete per hour (wafers/hr)? per hour
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