Posted by John on Sunday, February 17, 2008 at 4:25pm.
A brick wall is constructed with 20 rows of bricks. If the height of a brick is 3 7/8 inches and a mortar joint is approximately 5/8 inch, how heigh would the wall be? _______ inches
Does Anyone know how to do this one?

math  Quidditch, Sunday, February 17, 2008 at 4:48pm
There are 20 rows of brick and 19 rows of mortar.
The total height would be:
20*(3 7/8)inches + 19*(5/8)inches
=??

math  John, Sunday, February 17, 2008 at 4:54pm
70 1/2 ????

math  Quidditch, Sunday, February 17, 2008 at 5:02pm
20*(3 7/8) + 19*(5/8)
=20*(31/8) + 19*(5/8)
=(620/8) + (95/8)
=715/8
=89 3/8

math  George, Friday, April 25, 2014 at 6:28pm
a wall in front of a house is shown below. if 3/5 of the wall is made from brick, how do you determine the height of the brick portion of the wall. 7 3/4 height and width 15 1/5?
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