SOLUTION: i do not understand this problem at all and i dont understand what im suppose to do on it... can you please explain to me? the problem is: A brick is 1 7/8 in. high Mortar that is
Question 584363: i do not understand this problem at all and i dont understand what im suppose to do on it... can you please explain to me? the problem is: A brick is 1 7/8 in. high Mortar that is 3/8 in. thick is spread on each row of bricks. How many rows of bricks are needed to reach the top of a 7 1/2-ft doorway? Please try to respond to this for me by tomorrow... my homework is due tomorrow and I really want to be able to know how to do this. Thank you so much for taking your time. Found 2 solutions by richwmiller, solver91311:Answer by richwmiller(17219) (Show Source):
You can put this solution on YOUR website! how many rows of 1 7/8 in plus 3/8 in do you need to make a wall 7.5 feet high.
(1 7/8 + 3/8)=1 10/8= 2 2/8=2.25 inches
7.5 feet =7.5 *12 inches=90 inches
90/2.25=40 rows
You need at least forty rows of brick and mortar to reach the 7 1/2 ft doorway
