Logs are stacked so that there are 24 logs in the bottom row, 23 logs in the second row from the bottom, and so on, decreasing by 1 log each row. How many logs are there in the first five rows from the bottom?
A)110 logs
B)147 logs
C)180 logs
D)129 logs
E)69 logs

Question

Quizplus · Accepted Answer

The number of logs in the first five rows from the bottom can be found by adding the logs in each row: 24 + 23 + 22 + 21 + 20 = 110 logs.

Logs Are Stacked So That There Are 24 Logs in the Bottom