YOU SAID:

I can do this with the three people in a week

INTO JAPANESE

私は週に3人でこれをすることができます

BACK INTO ENGLISH

I can do this three people per week

INTO JAPANESE

私は週にこの3人をやることができます

BACK INTO ENGLISH

I can do these three people in the week

INTO JAPANESE

私は週に3人をやることができます

BACK INTO ENGLISH

I can play three people a week

INTO JAPANESE

私は週に3人プレイできます

BACK INTO ENGLISH

I can play three people per week

INTO JAPANESE

私は週に3人プレイできます

BACK INTO ENGLISH

I can play three people per week