500 GRE Math Questions to Know by Test Day by Sandra Luna McCune

Author:Sandra Luna McCune
Language: eng
Format: epub
Publisher: McGraw Hill LLC
Published: 2022-04-15T00:00:00+00:00

There are 50 pairs, each with a sum of 51. The double sum is , so the single sum is .

26. (C) Because , the least positive number that will leave a remainder of 3 when divided by 4 is 3 (Quantity A). Because , the least positive number that will leave a remainder of 3 when divided by 5 is 3 (Quantity B). The two quantities are equal. Select (C).

27. (B) Let x = the number of $5 bills and y = the number of $10 bills. You have two equations: (1) , ; and (2) . Substitute (1) into (2) and solve for x (omitting units for convenience).

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