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The total weight of Laura’s new pencils is 112 grams. One pencil roll off the scale. Now the scale reads 105 grams. What is the total weight of 7 new pencils?
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The total weight of Laura’s new pencils is 112 grams. One pencil roll off the scale. Now the scale reads 105 grams. What is the total weight of 7 new pencils?

User ClydeFrog
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3 votes

Answer:

Explanation:

If all the pencils together weigh 112 g and one rolls off and the new weight is 105 g, then one pencil weighs 7 g. Therefore, the weight of 7 pencils will be

7 pencils * 7g/pencil = 49 g

User Sylwester Gryzio
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