Ana can fold clothes in 30 minutes. Lovely can to the vame thing in 45 minutes susan can do it in 20 minutes. How long will it take for them to fold it all together.
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Ana can fold clothes in 30 minutes, so her rate is 1/30 clothes per minute. Lovely can fold clothes in 45 minutes, so her rate is 1/45 clothes per minute. Susan can fold clothes in 20 minutes, so her rate is 1/20 clothes per minute. Now, let's add up their rates Show more…
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