Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
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Chapter 7 - Measurement - 7.4 Problems Solving with Metric Measurement - 7.4 Exercises - Page 508: 19

Answer

The net weight is 215g. The weight of one envelope is 4.3 g or 4300 mg.

Work Step by Step

Subtract the weight of the packaging to find the net weight of the 50 envelopes. $255g-40g=215g$ Divide by the number of envelopes to find the weight per envelope. $215g\div50=4.3g$ Move the decimal to convert g to mg. $4.3g=4300 mg$
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