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Problem 1 Wendell’s Car Wash offers two types of hand—delivered car washes: Standard and Deluxe. The washes
consist of four processing steps. The only distinction between the Standard and Deluxe wash is the
amount of time spent at the Foaming Scrub step. The average time (in minutes per car) spent perr step
for both the Standard and Deluxe are given below. Standard Deluxe
1. Preliminary Rinse
2.Soapingthe Car 10 min 3. Foaming Scrub 20 min
4. Rinse &Dry 15 min a) If there are no cars waiting or already in process, how long would a Standard car wash take?
Which step is the bottleneck for the Standard wash? If there are no cars waiting or already in process, how long would a Deluxe car wash take?
Which step is the bottleneck for the Deluxe process? b) Calculate the capacity (measured as cars washed per hour) if Wendell were only to offer the Standard wash.
Calculate the capacity (measured as cars washed per hour) if Wendell were only to offer the

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