Subtract (8 + 9 + 10... 24) from both columns. The new comparison is:
25 versus (1 + 2 + 3 + 4 + 5 + 6 + 7). 1 + 2 + 3 + 4 + 5 + 6 + 7 = 28. 28 > 25.
Thus Quantity B is greater.
- A Use the formula from Property 3:
20 – 2
2 + 1 = 10
CHAPTER 9 ■ NUMBER PROPERTIES 207
03-GRE-Test-2018_173-312.indd 207 12/05/17 11:51 am