Q) A dessert recipe calls for 50% melted chocolate and 50% raspberry puree to make a particular sauce. A chef accidentally makes 15 cups of the sauce with 40% melted chocolate and 60% raspberry puree instead. How many cups of the sauce does he need to remove and replace with pure melted chocolate to make the sauce the proper 50% of each?
a) 1.5
b) 2.5
c) 3
d) 4.5
e) 5![]() 
                       
                           
                       
                     a) 1.5
b) 2.5
c) 3
d) 4.5
e) 5