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# Quantitative Reasoning: Chapter 3

## Unit 3A - Uses and Abuses of Percentages

Tutorials

Important Chapter References

-For Problems 31-36 --- see: What is a Ratio? (pg. 129)

-For Problems 37-42 --- see: Example 1 (pg. 124)

-For Problems 43-44 --- see: Example 2 (pg. 124-125)

-For Problems 45-46 --- see: Example 3 (pg. 125)

-For Problems 47-48 --- see: Example 4 (pg. 125)

-For Problems 49-52 --- see: Example 5 (pg. 127)

-For Problems 53-56 --- see: Example 6 (pg. 128)

-For Problems 57-60 --- see: Example 7 (page 128-129)

-For Problems 61-64 --- see: Example 8 (pg. 130)

-For Problems 65-66 --- see: Example 9 (pg. 130)

-For Problems 67-68 --- see: Example 10 (pg. 131-132)

-For Problems 69-70 --- see: Example 11 (pg. 132-133)

-For Problems 71-72 --- see: Example 12 (pg. 133)

-For Problems 73-74 --- see: Example 13 (pg. 133-134)

-For Problems 75-80 --- see: Example 14 (pg. 134)

-For Problems 81-82 --- see: Example 15 (pg. 135)

-For Problems 67-70 & 87-90 refer to page 131 (Solving Percentage Problems)

## Unit 3B - Putting Numbers in Perspective

Tutorials

Important Chapter References

-For Problems 23-26 --- see: Example 1 (pg. 139)

-For Problems 27-28 --- see: Example 2 (pg. 141)

-For Problems 29-38 --- see: Example 3 (pg. 142)

-For Problems 39-42 --- see: Example 4 (pg. 144)

-For Problems 43-46 --- see: Example 5 (pg. 145)

-For Problems 47-50 --- see: Example 6 (pg. 146)

-For Problem 51 --- see: Example 7 (pg. 147)

-For Problem 52 --- see: Example 8 (pg. 147-148)

-For Problems 53-54 --- see: Example 9 (pg. 148)

-For Problems 55-62 --- see: Perspective Through Comparisons (pg. 144)

## Unit 3D - Index Numbers: The CPI and Beyond

Tutorials

Important Chapter References
-For Problems 11-12 --- see: Example 1 (pg. 167)

-For Problems 13-14 --- see: Example 2 (pg. 168)

-For Problems 15-16 --- see: Example 3 (pg. 169)

-For Problems 17-18 --- see: Example 4 (pg. 170)

-For Problems 19-20 --- see: Example 5 (pg. 171)

-For Problems 21-22 --- see: Example 6 (pg. 172)

-For Problems 23-26 --- see: Example 7 (pg. 174)