Math, asked by Monya839, 1 year ago

.a machine a can print one thousand books in 10 hours, machine b can print the same number of books in 12 hours while machine c print them in 15 hours. all the machines are started at 9
a.m. while machine a is closed at 11
a.m. and the remaining two machines complete the work. approximately at what time will the work be finished

Answers

Answered by lodhiyal16
0

Answer:

Step-by-step explanation:

Machine A print 1000 = 10 hours

In 1 hours = 1000 /10

= 100 print

It close at 11 pm= Machine A works 14 hours

Machine A prints 9 am to 11 pm  = 14 * 100

1400 prints

Machine B= 12 hours = 1000 prints

1000 prints = 12 hours

1 prints= 12/ 1000

1400 prints = 12 /1000 * 1400

= 16 hrs 48 minutes

Machine complete the work at 1 :48 am

Machine c 15 hours = 1000

1000 = 15 hours

1 print = 15 /1000

1400 prints = 15/1000 * 1400

= 21 hours

= Machine complete the work at 6 :00 am

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