Answer:
6lb 8oz
Explanation:
9lb 4oz
+16
8lb 20 oz
-2 lb 12oz =
6 LB 12 OZ
16 OZ in a LB
9 LB - 2 LB = 7 LB
4 OZ - 12 OZ difference of 8 OZ
4 - 4 = 0 then 16 OZ in a LB
4 remaining - 16 = 12 dropping the 7 LB to 6 LB
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