If A can build 1 house in 20 days and B can build 1 house in 30 days, how many days will A and B together take to build 2 houses?
If A can build 1 house in 20 days and B can…
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in
Written by
in
If A can build 1 house in 20 days and B can build 1 house in 30 days, how many days will A and B together take to build 2 houses?
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