There are 16 oz in a lb, so 9lb 2oz makes ((9*16)= 144+2) = 146oz
and 4lb 7oz makes ((4*16)=64+7) = 71oz
146-71 = 75 oz which is = 4lb and 11oz
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2 lb 9 oz1 lb 12 oz--------------3 lb 21 oz = 4 lb 5 oz
Adding 3 lb 9 oz to 4 lb 12 oz equals 8 lb 5 oz.
To find 25% of 3 lb 9 oz, first convert 3 lb 9 oz to ounces (48 oz), then calculate 25% of 48 oz, which is 12 oz. Convert 12 oz back to pounds and ounces. The result is 12 oz = 0 lb 12 oz. So, 25% of 3 lb 9 oz is 0 lb 12 oz.
11 oz + 3 lb = 11 oz + 48 oz = 59 oz.
To find the ratio of 3 lb to 54 oz in lowest terms, convert both to the same unit. Since 1 lb is equal to 16 oz, 3 lb is 48 oz. Therefore, the ratio of 3 lb to 54 oz is 48:54, which simplifies to 8:9 by dividing both numbers by their greatest common factor of 6.