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Mathematics 15 Online
OpenStudy (shyannep913):

In which sentence is the number written correctly? A. Seventy nine people have signed up for the course. B. It will take about thirty five minutes to finish our walk. C. I think their house number is seventy-six.

Mehek (mehek14):

which one do you think?

OpenStudy (shyannep913):

B?

Mehek (mehek14):

no from numbers 21 to 99 you use a hyphen (-)

OpenStudy (shyannep913):

thank you

Mehek (mehek14):

yw

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