Mathematics, 24.02.2020 19:52, jetblackcap

Sue can sew a pre cut dress in 3 hours. Helen can sew the same dress in 2 hours. if they work together, how long will it take them to complete sewing that dress?

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Sue can sew a pre cut dress in 3 hours. Helen can sew the same dress in 2 hours. if they work togeth...