Question

5 persons working 8 hours a day can do a piece
of work in 18 days. How many persons will
complete it working 9 hours a day in 10 days?​

Answer 1

Step-by-step explanation:

Using Chain rule, we have

(5×18×8) = (M×10×9),

90×8 = M×90,

8 = M

Answer 2

Answer:

X= 8

Step-by-step explanation:

18*5*8=9*10*x

90*8/9*10=x

720/90 =8