Chapter 7 Percent Worksheet With Answers Page 38
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477.4 Estimation with Percent
1. Estimate answers to percent problems involving 1% and
10%
(quick
answers)
What about percent problem involving 20%, 30%, 40% …
e.g.3 Estimate the answer: what is 20% of 208.
10% of 208 = 20.8 ≈ 21
step 1.
step 2.
Double the result in step 1: 42
38
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