Respuesta :

30m x 7e = 210m

Just multiply the number of minutes by days of a week, so it'd be 30 x 7 to get 210 minutes.
claudettoterohil

Minutes to play Chess ======>  m

Play Chess in Evening  =====>   E

Minutes Play Chess / Chess Plays in Evening  ===>  30 / E,   M   ==> 30E

Therefore, Duarte together with his Dad:

They played:   ===><><><    M   =   30E



Hope that helps!!!!!!!!!!                                             : )