Question

a printing machnie can print 20,000 books in 8 hours .how many books will be printed by same machine in 12 hours (2 marks)​

Answer 1

Answer:

Please find the attachmentformula ofcomputerand

Step-by-step explanation:

Please machine. is 21 hours

Answer 2

Answer:

30000

Step-by-step explanation:

the machine can print 20000 books in 8 hours

now, the machine in 4 hours can print 10000 books

A.T.Q

The machine in (8+4) :12 hours can print (20000+10000) : 30000 books (Ans)