Question

A is 1.5 times more efficient
than B
and C is two times efficient than
А.А
and B take 7(1/2) days to
complete
the work. How many days will B
&C
take to complete the work
together?
​

Answer 1

Answer:

A=1.5B => B=A/1.5

C=2A

A+B=7/2

B+C=?

A+A/1.5=7/2=>A=2.1

therefore,C=4.2

B=1.4

B+C=1.4+4.2=5.6