A and B take 6 hours and 9 hours respectively to complete a work. A wote in 15 hours. How long will it take to fill the empty cistern, if all of them are end 2 days?
What part of work will be left, after they have worked together 1 hour and then B works for two hours.
(i) How much work is done in these 3 hours ?
(ii) How much work is still left?
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7
Answer:
how's this yrr ?
beautiful na
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2
Answer:
is it beautiful i draw 2 picture :D and my roblox character
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