Question

If 4 typists work 6 hours a day,they can type a book in 20 days.How many days will 2 typists take to do the same job,if each work 8 hours a day ?
who can solve this​

Answer 1

Answer:

10 days

Step-by-step explanation:

4 typists works for 20 days so,for 1 day is 1/20 so,for one hour 1/120. so one typist will do 1/480 in one hour.

x*(2/480) =1

x=240hrs

x=10 days