Can someone help me with 3. And 4. Answer quick ! 
                                             
                                          
                                          
                                        
											 
											Answer:
number 4 is $223.6 (ADD THE MONEY SYMBOL TOO)
Step-by-step explanation:
44.72 = tip + money she gets per unit of time
then 44.72 x 5 because 5 is how many hours and 44.72 is how much she gets an hour