I believe the aswer is 29.7
1) 120 (2 hrs.in minutes) divided by 45
2) Round and multiply 2.7 by 11
3) Get your answer
OR
1) 120 (2 hrs. n minutes) times 11
2) Divide by 45 and Get answer
About 1920, just find the volume by multiplying length times width times height
and divide that by the 1-inch cubes. hope this helps
But what is the expression, you have to tell me so I can do it.
