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# buisness math

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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

#1
+19863
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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
+19863
0

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