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No, they are not.
2.87 lbs x 16 ozs/lb = 45.92 ozs
16 ounces (ozs) is a MEASURE of the weight of something. 16 ozs of lead will weigh exactly 16 ozs. 16 ozs of feathers will weigh exactly 16 ozs.
Oh and by the way there are 16 ozs in a pound.
2.536 ozs.
75 cc *(.03381 ozs/cc)=2.536 ozs
There are 16 ozs in a pound. 160 ozs in 10 lbs Divide 160 ozs by 7 ozs. This gives you 22.85 ozs. So 22 -7 oz. portions of fish.