ACT Math : How to divide odd numbers
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Example Question #2 : Integers
Choose the answer which best solves the equation below:
There are two ways to solve this problem. First you can do so algebraically by dividing both sides by 13:
But, there is another way, which if you understand odd numbers, is even faster. Of all the answers above, only one is odd. You know, given the equation, that 
Example Question #1 : How To Divide Odd Numbers
Solve for 
There are two ways to approach this problem:
1. Use the rule that states that any two odd numbers multiplied together will yield another odd number.
Using this rule, only one answer is an odd number (29) which will yield another odd number (493) when multiplied by the given odd number (17).
2. Solve algebraically:
Example Question #1 : Integers
Solve for 
There are two ways to approach this problem:
1. Use the rule that states that any two odd numbers multiplied together will yield another odd number.
Using this rule, only one answer is an odd number (85) which will yield another odd number (7,735) when multiplied by the given odd number (91).
2. Solve algebraically:
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