Two people are preparing a hot air balloon for a ride. A is able to complete 1/3 of a
certain work in 10 hrs and B is able to complete 2/5 of the same work in 12 hrs.
Find:
a) How much work can A do in 1 hour?
b) How much work can B do in 1 hour?
c) In how much time will the work be completed, if both work together?
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Answer:
a and b both complete 1/30 work in 1 hour
if a and b work together they will complete in 15 hours
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