Grade 7 McGraw Hill Glencoe - Answer Keys Answer keys Chapter 2: Percents; Lesson 2: Percent and Estimation

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Grade 7 McGraw Hill Glencoe - Answer Keys

Chapter 2: Percents; Lesson 2: Percent and Estimation

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Estimate.

52% of 10 \(\approx\)

79% of 489\(\approx\)

151% of 70 \(\approx\)

\(\frac{1}{2}\)% of 82\(\approx\)

Question 5 (request help)
Of the 78 teenagers at a youth camp, 63% have birthdays in the spring. About how many teenagers have birthdays in the spring?

63% of 78=

Question 6 (request help)
About 0.8% of the land in Maine is federally owned. If Maine has 19,847,680 acres, about how many acres are federally owned?

0.8% of 19,847,680=

\(\text{acres}\)

Question 7 (request help)
Building on the Essential Question How can you estimate the percent of a number?