ahlftay ahlftay
  • 08-11-2019
  • Mathematics
contestada

Systems of Equations Word Problem:

Kristin spent 131.00 on shirts. Fancy shirts cost 28.00 and plain shirts cost 15.00. If she bought a total of 7 then how many of each kind did she buy?

Respuesta :

kateschafer01 kateschafer01
  • 08-11-2019
x= fancy, y= plain
x+y= 7
28x+ 15y=131
solve by substitution
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