Respuesta :

Answer:

Step-by-step explanation:

You

Answer:

1157 oz or 72.3125 lbs

Step-by-step explanation:

I converted everything from pounds to ounces then added everything together.

51 lbs = 816 oz

21 lbs = 336 oz + 5 oz = 341 oz

816 oz + 341 oz = 1157 oz

1157 oz = 72.3125 lbs