Respuesta :
					                   Answer is 32 problems per hour 
Explained
56 problems divided by 1.75 = 32
The reason I used 1.75 is because 1 hr 45 minutes is 1 hour and the 45 minutes is 3/4 of an hour on the clock, 3/4 is the same as .75
					                
					                
					             Explained
56 problems divided by 1.75 = 32
The reason I used 1.75 is because 1 hr 45 minutes is 1 hour and the 45 minutes is 3/4 of an hour on the clock, 3/4 is the same as .75