tiffanycardenas650 tiffanycardenas650

24-02-2020
Mathematics

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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 together, how long will it take them to complete sewing that dress?

Respuesta :

24-02-2020

3+2=5
5/2=2.5 which is the average

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