Please help! I need it done today ASAP. 
It's order operation.
                                             
                                          
                                          
                                        
											 
											Answer:
total price before sale = 20
total sale price = 5-original price
=5-20
= 15
mr randall bought 4 t-shirt =15×4=60
mr randall paid 60$ for the t-shirt