Answer the question of substance? Chris has invested $ 2,300 in two small businesses. Last year, the greeting card industry has made a profit of 14% investment in the RE business, while the activity of repairing bicycles showed a loss of 6%. if the net benefit of Chris from the two companies was $ 102, its investment in the sector of greeting cards was $_____.
x + y = 2300 y = 2300 - x
Y = 0.94 + 1.14X 2402
1.14X + 0.94 (2300 - x) = 2402
1.14X - 0.94x + 2162 = 2402
0.20x = 240
x = $ 1,200
Posted on April 9, 2010.