A diver begins at sea level and dives down 200 feet. He ascends at a steady rate of 12 
1
_
3
 feet per minute for 4.5 minutes. This depth is represented by the numerical expression:
 -200 + 12 
1
_
3
 (4.5)
Simplify the expression using the order of operations. What is the diver’s depth?
 -200 + 
37
3
 (4.5)
 -200 + 55.5
 { }feet
                                             
                                          
                                          
                                        
											