Celest -- you're missing some information. How much does each paper clip weigh?
How do you think you should solve this problem?
1 ounce= 30 grams
about how much does a box of 1,000 paper clips weigh if the empty box weighs 15 grams
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9 years too late, but...
In order to answer this question, one would need to know that a regular paperclip weighs ~ 1 gram. Therefore, 1000 paperclips * (1 gram / 1 paperclip) = 1000 grams. The weight of the paperclips (1000 g) and the weight of the empty box (15 g) totals out to be 1015 grams.
(If the question was asking to answer in U.S. Conventional Units, then you would need to use the conversion (given in your question) 1015 g * (1 oz / 30 g) ≈ 33.83 oz.)
In order to answer this question, one would need to know that a regular paperclip weighs ~ 1 gram. Therefore, 1000 paperclips * (1 gram / 1 paperclip) = 1000 grams. The weight of the paperclips (1000 g) and the weight of the empty box (15 g) totals out to be 1015 grams.
(If the question was asking to answer in U.S. Conventional Units, then you would need to use the conversion (given in your question) 1015 g * (1 oz / 30 g) ≈ 33.83 oz.)