Sum of an Arithmetic Sequence
An engineering class is constructing a wall in which the first level consists of 1 block, and each subsequent level contains 3 more blocks than the previous level. What is the total number of blocks required to build a wall with 15 levels?
A
1000
B
330
C
43
D
500
E
15
Question Leaderboard
Not enough data yet to show leaderboard.