#### Answer

30 minutes

#### Work Step by Step

Cindy completes 1/20 = .05 jobs per minute. Sharon can do 1/x jobs per minute. Thus:
$ 1/12 = .05 + 1/x \\ 1/x = .03333 \\ x = 30$

Published by
Cengage Learning

ISBN 10:
1285194055

ISBN 13:
978-1-28519-405-9

30 minutes

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