Three times the difference between ten times a number and three is eighty-one.

Find the smallest number by which the given number should be divided to make a perfect cube(with steps or the answer will get reported) a.108 b.2187

Zack and tia played chess for 50 min they put the chessboard away at 11: 20 when did they start

There are 1872 steps in a building that has 104 floors. each floor has the same number of steps. a second building has the same number of floors but 2 fewer steps between each floor. how many steps are there between each floor of the second building?