A group of N N N people worked on a project. They finished 35% of the project by working 7 hours a day for 10 days. Thereafter, 10 people left the gro...

Question

A group of

NN
people worked on a project. They finished 35% of the project by working 7 hours a day for 10 days. Thereafter, 10 people left the group, and the remaining people finished the rest of the project in 14 days by working 10 hours a day. What is the value of
NN
?

Options

A.

23

B.

140

C.

36

D.

150

cat 2022man-hoursgroup workequations

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