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| Math Central | Quandaries & Queries |
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Question from Sheik: How I Convert My Roll Weight Into Meters ? |
Sheik,
Imagine that you unroll the paper into ole long strip. It would be 241 mm (0.241 meters) wide and say L meters long giving an area of 0.241 × L square meters. The weight of the paper is 56 grams per square meter so the paper would weigh 0.241 × L × 56 grams. But you know the weight is 81 kilograms or 81,000 grams so
0.241 × L × 56 = 81,000
thus
L = 81,000/(0.241 × 56) = 6,002 meters
I hope this helps,
Harley
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