How to divide odd numbers - GRE Quantitative Reasoning

Card 0 of 6

Question

What are three consecutive odd integers whose sum equals ?

Answer

Set up the equation,

.

Simplify to and solve for x to find .

Therefore the 3 consecutive odd integrers are .

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Question

Assume and are both odd whole numbers and .

What is a possible solution for ?

Answer

The two requirements for this problem are that both and must be odd, and that . The only answer that fits both of these is . The other answers show either or is an even number.

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Question

Solve for :

Answer

To solve, divide both sides of the equation by :

As a check, if you divide an odd number by another odd number, your result should be odd.

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Question

Solve for :

Answer

To solve, isolate your variable by dividing both sides of the equation by :

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Question

Solve for :

Answer

To solve, first isolate your variable by dividing both sides of the equation by :

As a check, if you divide an odd number by another odd number, your result should be odd.

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Question

Solve for :

Answer

To solve, divide both sides of the equation by :

As a check, if you divide an odd number by another odd number, your result should be odd.

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