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ibn-rushd owns cool groove, a company that sells and installs automobile sound systems. cool groove charges $185 for each small system and $235 for each large system installed. ibn-rushd reported that last month her company installed 135 and collected $27,225 in total receipts. during that month, how many small systems and large systems were installed?

 Nov 14, 2019

Best Answer 

 #1
avatar+19773 
+1

x = large systems

135-x = small systems

 

235 x  = cash from large systems

185 (135-x)  = cash from small systems

 

Added together the cash = 27225 for the month

 

235 x   + (185 )(135-x) = 27225     solve for x (the number of large systems)    then small systems = 135 - x  

 Nov 14, 2019
 #1
avatar+19773 
+1
Best Answer

x = large systems

135-x = small systems

 

235 x  = cash from large systems

185 (135-x)  = cash from small systems

 

Added together the cash = 27225 for the month

 

235 x   + (185 )(135-x) = 27225     solve for x (the number of large systems)    then small systems = 135 - x  

ElectricPavlov Nov 14, 2019

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