Respuesta :

Answer:

$315

Step-by-step explanation:

1.75 x 100 = $175

3.50 x 40 =$140

175 + 140 = $315

100 * 1.75 = 175

40 * 3.50 = 140

140lbs of hamburger for $315

The whole mixture sells for $315

315/140 = 2.25

1 pound of the mixture costs $2.25.