Respuesta :

Answer:

0.25M + 0.75B + 1.25C - 50 = total money raised

Step-by-step explanation:

0.25 for each muffin so if 78 are sold we do 78*0.25 = 19.5

0.75*56 = 42 for brownies

1.25*30 = 37.5

19.5+42+37.5 = 99

99 -50 = 49