SOLUTION: Three software applications are priced as follows. 1.spreadsheet=$160 2.Database=$185 3.Word processing=$270. Spreadsheet and Database sold in equal numbers, but 35 more Word proce

Question 1181862: Three software applications are priced as follows. 1.spreadsheet=$160 2.Database=$185 3.Word processing=$270. Spreadsheet and Database sold in equal numbers, but 35 more Word processing applications were sold than the other two combined. If the three applications generated sales of $80,250, how many Spreadsheets were sold
Answer by ikleyn(52776) (Show Source): You can put this solution on YOUR website!
.


Let x be the number of spreadsheet apps,  the same as the number of database apps.


Then the number of the Word processing apps sold was  (2x + 35).



Now you write this "money equation" (revenue equation)

    160x + 185x + 270*(2x+35) = 80250   dollars.



Simplify and find x

    160x + 185x + 540x = 80250 - 270*35

           885x        =      70800

              x        = 70800/885 = 80.



ANSWER.  80 spreadsheet apps were sold.

Solved.

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