15 1/3 * 12=184 because 15 *12 *1/3
There is 9 windows left and to finish installing the rest of the windows it will take 45 hours to finish all of the windows in the building
3
If you subtract for 4 from 7 in the first expression, then h is less than or equal to 3.
If you subtract 1 from 3 in the second expression then h is greater than 2.
Thus the only value of h possible is 3.
