Mathematics, 03.09.2019 15:10, michellealvarez985

The efficiency of a is thrice of b and
half of c. if b alone completes a
work in 45 days, in how many days
can a along with c complete the
same work?
select one:
5 days
15 days
7.5 days
30 days

Answers: 1

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The efficiency of a is thrice of b and
half of c. if b alone completes a
work in 45 days,...