Question
It takes Xandra 7 hours to sew a blazer by herself. If Usha helps her, they will take 2 hours to sew the blazer. How long will Usha take to sew the blazer by herself? Express your answer in mixed number.
3 m

Click button first when a symbol is required. X

It takes Xandra 7 hours to sew a blazer by herself. If Usha helps her, they will take 2 hours to sew the blazer. How long will Usha take to sew the blazer by herself? Express your answer in mixed number.