375 Degrees for about 1-1/2 hours medium rare to 2-1/2 hours done. (The general rule for roasts is 1/2 hour per pound minimum.)
Your mothers temperature.
The internal temperature for roast duck should reach 160 to 165 degrees F.
If you want medium roast, try 15 minutes a pound at 350. Test the temperature. You'll want about 145.
165
11 oz plus 3lb will be equal to 59 oz.
Why would you "cook" a pork roast in the microwave. Pork roast are a tough meat and it requires low temp at about 10 hours like in a crock pot.
Meat thermometer.
Cook to 170 degrees,
1 lb = 16 oz 16(oz) x 3(lb) = 48 oz 48oz = 48oz So the answer is no. 3lb is not greater than 48oz
3lb
3
165 degrees F