Question

What is … equal to?

Answer 1

9514 1404 393

Answer:

528

Explanation:

The sum can be decomposed into parts that may be easier to figure.

`\displaystyle\sum_(n=1)^(24)(2n-3)=2\sum_(n=1)^(24)(n)-3\sum_(n=1)^(24)(1)=2(24\cdot25)/(2)-3\cdot24\\\\=600-72=\boxed{528}`