Question

A can type 60 pages in 15 hrs a and b can type 150 pages in 25 hrs how long will it take b alone to tye 120 pages

Answer 1

Step-by-step explanation:

B take 20 hours to make 120 pages

Answer 2

Answer:

A type 60 pages in 15 hour

so Pages typed by A in 1 hour=60/15=4

A and B type 150 pages in 25 hours

so A types pages in 25 hours= 4*25=100

thus in out of 150 pages between A and B, A types 100 pages

remaining pages typed by B are-=150-100=50

it means B typed 50 pages in 25 hours

so Pages per hour by B=50/25=2 pages

so 120 pages typed by B in 60 hours

Step-by-step explanation: