You know that the sum of a and b is 24, because the average is the sum of the numbers divided by the amount of numbers added together, and 12*2 is 24. Add 3 to 24 so you have 27, and then divide that by 3 because there are now 3 numbers in the set. The average of a, b, and c is 9.
I think we also need to see the top
Answer:
Respective sir,
I recently applied for admission in your High school and got selected for the arts and culture program. Although I am proud that a popular school like this gave me a chance with their auspicious program. I want to change my course to science and technology.
Sir, I have been a science geek since the beginning and that is area of interest as well as expertise.
My core version is the nano technology, which your school has he best faculty for. I am sure studying in your programmer of nano technology, I will be able to grow very fast.