15. The number of bricks, B, needed to build a wall of length L feet and uniform height H feet can be found by the equation B = 7LH. A wall of uniform height that is 15 feet long is constructed using 525 bricks. What is the height, in feet, of the wall?

Answer and Explanation

Your Answer is

Correct Answer is C

Explanation

According to the formula given in the title, bring B=525 and H=15 into the solution of the value of L,

525=7×15×H

solve H= 5. Choose C.