Tuesday
March 3, 2015

Homework Help: maths

Posted by Anonymous on Sunday, February 21, 2010 at 8:00am.

A brick wall is built by using 2 bricks less in each layer than in the previous one. The wall has m layers and in total 21m+40 bricks are used. If the top layer has only 4 bricks, determine:A) the value of m
b) the total number of bricks in the wall

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

math - thomas wants to build a seven layer brick wall. the bottom layer has 20 ...
maths - A wall 24m long, 0.4m thick and 6m high is constructed with the bricks ...
Math-- - A brick layer is hired to build three walls of equal length. He has ...
Math - You plan to construct a brick wall measuring 4.5 m in length, 1.2 m high...
Math - Mike bought 252 bricks to build a wall in his yard. Each row has 14 ...
physics - Consider three layers of a wall. The first layer is plaster 1.0 cm ...
math - A brick wall measuring 3 ft by 11 ft is to be built. The brick measures ...
Physics - Consider 3 layers of a wall. The first layer is plaster 1.0 cm thick(R...
Math - Julia wants to build another garden wall, 10 bricks long and 3 bricks ...
math - A brick wall is constructed with 20 rows of bricks. If the height of a ...

Members