Errata – Foundations of GMAT Math, 6th Edition
Cover for 6th Edition
Release Date:
October 4,2016
6.0
| Page | Loc | Description | Erroneous Text | Correction |
|---|---|---|---|---|
| 143 |
Chapter 4 Add Fractions with Different Denominators |
Towards the end of the section, in the “Traditional” box the first number in the denominator of the second fraction should be 8 instead of 3. It should read as follows: 3 x 3⁄8 x 3. | 3 x 3⁄3 x 3 | 3 x 3⁄8 x 3 | 201 |
Chapter 5 20% of $55 = 0.2 x $55 |
In the example question “What percent of 125 is 25?”, the 4th line of the explanation should say x/4 = 5, not x/4 = 25. | x/4 = 25 | x/4 = 5 |
| 247 |
Chapter 5 Drill Set Solutions |
In the solution to Drill Set 11 #77, “(C)” is listed as the letter answer in the beginning of the explanation. However, there were no answer choices available for this question. Should say “11⁄2 cups” instead. | (C) | 11⁄2 cups |
| 275 |
Chapter 9 Workout Set 3 Solutions |
In the solution to question #25, there is a math error in answer choice A’s explanation. | 3,024, y + 1 = 3,035 | 3,024, y + 1 = 3,025 |
| 291 |
Chapter 6 Drill Set Solutions |
In the solution to Drill 6 #41, the last line of math should read “-y = -2”. | -y = 2 | -y = -2 |
| 291 |
Chapter 6 Drill Set Solutions |
In the solution to Drill 6 #41, the last sentence should read “Therefore, y = 2…” | Therefore, y = -2 | Therefore, y = 2 |
| 356 |
Chapter 8 Drill Set Solutions |
In the solution to Drill 9 #41 in the right column, after”-x < 4" should be "x > -4″, NOT “x < -4." | x < -4 | x > -4 |
| 399 |
Chapter 9 Drill Set Solutions |
In the solution to Drill 2, Question 11, the bold text incorrectly states that the solution is 750 tickets when it is 800 tickets, as shown in the conclusion of the explanation (800 = n). | 750 tickets | 800 tickets |
| 425 |
Chapter 10 Sector: Slice of Pizza |
At the end of the explanation, three fractions are detailed. The first mistakenly lists central area over 360. | Central area ⁄360 | Central angle⁄360 |