Hello,
Problems like this one from OG12 confuse me. I look at the solution provided, but I can't understand what the problem is asking me to do. I can mimic the work, but I doubt I'd understand how to apply it to another problem. Any help understanding the underlying concepts would be greatly appreciated:
Problems like this one from OG12 confuse me. I look at the solution provided, but I can't understand what the problem is asking me to do. I can mimic the work, but I doubt I'd understand how to apply it to another problem. Any help understanding the underlying concepts would be greatly appreciated:
This looks so easy, I'm a little embarrassed even asking, but I won't get any better at this hiding my weaknesses. Thanks for helping me on my quest for 700+For any positive integer n, the sum of the first n positive integers equals [n(n+1)]/2. What is the sum of all the even integers between 99 and 301?
(A) 10,100
(B) 20,200
(C) 22,650
(D) 40,200
(E) 45,150
Answer: B
