Question

2 printing machine of printing house can complete the printing work of the required number of excel in math textbooks in 20 days. After printing books for 8 days, if one more machine was added, in how many days would the remaining work be finished? (Unitary Method) - Class 7

Answer 1

Answer:

8 days

Step-by-step explanation:

2 printing machines * 20 days = 40 printing days work

Work done before another maching was added = 8 days * 2 machines = 16 printing days work

So 40-16 = 24 printing days of work as still left which will be done by 3 rinting machines

so will take 24 printing days / 3 printing machines = 8 days

Answer 2

Answer:

Step-by-step explanation:

yes