Respuesta :

28 +15/40=28*40/1*40 + 15/40=1120/40+15/40=1160/40=29
28+15/40
28*40/1*40 +15 / 40
1120/40 +15/40 = 1135/ 40
= 28.375 

so the answer for ur question is 28.375