Answer:
327 ounces
Step-by-step explanation:
Set this up as follows, using the fact that there are 16 oz in a pound:
\(20lbs\)×\(\frac{16oz}{1lb}\)
The pound label cancels out, leaving you with just oz. 20 pounds is 320 ounces, plus 7 ounces = 327 ounces
