A and B can do a piece of work in 12 days; B and C in 15

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A and B can do a piece of work in 12 days; B and C in 15 days; C and A in 20 days. A alone can do the work in :
a. 1523 days
b. 24 days
c. 30 days
d. 40 days

Related Book For answer-question

Precalculus

ISBN: 978-0321716835

9th edition

Authors: Michael Sullivan

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Posted Date: Dec 27, 2022 06:17 AM

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A and B can do a piece of work in 12 days; B and C in 15

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Precalculus

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