The Heartland Institute

Answers to problems on page 7

Published January 1, 2005

1. 1,571
Low elevation = -294
High elevation = 1,277
Difference = 1,571

2. e) 29

3. e) L – 3

4. 8
X + Y = 14
.20X + .33Y = 3.84
Therefore,
.20X + .33(14 – X) = 3.84
Solving,
X = 6 and Y = 8

5. d) 29

NAEP’s ‘Hard’ 8th-Grade ‘Algebra and Functions’ Questions

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