Respuesta :

68.40 divide 6 = 11.4

41.80 divided 4= 10.45
Plan B is lower fee per lesson
Plan B. You have to find the unit rate which would be 68.4/6 for plan A, which would be $11.40 per piano lesson, and 41.8/4, which would be $10.45 per lesson. So, plan B is cheaper.