单选题
Betty paints twice as fast as Dan. Wo...
发布于 2022-03-03 17:21:32
Betty paints twice as fast as Dan. Working together, Dan and
Betty can paint 2,400 square feet in 4 hours. Another employee, Sue,
joined their painting team. Working together, Dan, Betty, and Sue can
paint 3,600 square feet in 3 hours.
If Sue works alone, how many square feet can she paint in 4 hours
and 34 minutes?
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