Question

If 3 examiners can examine a certain number of
answer books in 10 days by working 4 hours a day,
for how many hours a day would 4 examiners have
to work in order to examine thrice the number of
answer books in 30 days?
(a) 3
(c) 8
(b) 1
(d) 6
Coling the ratio of milk and water is​

Answer 1

Answer:

I think of 3 or 8 but I am not sure