A trader buys pens at $44 a dozen and sells them at $20 each. Find his profit if he sells 60 pens.
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Answer:
<h2>Here's what makes an integer odd:</h2>- It is NOT a multiple of 2.
- When divided by 2, the quotient would be a decimal or have a remainder or fraction.
- It is a multiple of 2.
- When divided by 2, the quotient has a whole number.
<em>The odd numbers from one to 10 are: 1, 3, 5, 7, 9.</em>
<em>The even numbers from one to 10 are: 2, 4, 6, 8, 10. </em>
- With big numbers, if it ends with any of the odd numbers from one to ten, listed above, it would be odd. This goes for the same with even.
- An odd number and even number has a pattern....
[odd, even, odd, even, odd...] [1, 2, 3, 4, 5]
- So, if x was an odd number, adding it by 2, 4, 6, etc. will result in another odd number.
Here's an example:
<em>See how x is an odd number and the sum of the number and two makes another odd number? </em>
The same can go with an even number:
<em>See how x is an even number and the sum of the number and six makes another even number? </em>
I hope my answer helps you understand even and odd numbers.