SOLUTION: A pile of bricks in the bottom row, 81 bricks in the second row, 77 bricks in the third row, and so on. There is only one brick on the top row. How many bricks are in 13th row?

SOLUTION: A pile of bricks in the bottom row, 81 bricks in the second row, 77 bricks in the third row, and so on. There is only one brick on the top row. How many bricks are in 13th row?

Algebra.Com

Question 159434: A pile of bricks in the bottom row, 81 bricks in the second row, 77 bricks in the third row, and so on. There is only one brick on the top row.
How many bricks are in 13th row?
How many rows are there in the pile.
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
1
4
5
9
13
17
21
25
29
33
37
41
45 13 th. ROW HAS 45 BRICKS.
49
53
57
61
65
69
73
77
81 22 nd. ROW OF BRICKS.

RELATED QUESTIONS
A monument is constructed by laying a row of 35 bricks at ground level. A second row,... (answered by stanbon)

I need more detail solution: A child has a bag full of little toy bricks each of... (answered by kjmugno,MathTherapy,milo1954)

A fireplace contains 46 bricks along its bottom row. If each row above decreases by 4... (answered by stanbon)

Scott and Lauren are making a brick path in the school garden. Scott places 6 rows of... (answered by richard1234)

A brick wall is built with bottom row having 50 bricks. Each row on top of that is one... (answered by Fombitz)

A child wishes to build up a triangular piles of toy bricks so as to have one brick In... (answered by josgarithmetic,ikleyn)

Building bricks are closely stacked in a pile 7 feet high,36 feet long and 12 feet... (answered by checkley77)

A path is to be constructed using bricks. The bricks are in 5 stacks of 9 bricks high, 9... (answered by Theo,greenestamps)

Hi, I am preparing for an exam on Wednesday and this part of the problem of the pattern I (answered by rothauserc,KMST)