Question 1113729
Let the chairs be C and the pots P (you can make them x and y if you want):
3C + 5P = 195 (1)
6C + 2P = 246 (2)
Multiply (1) times 2 to make equation (3)
Multiply (2) times -1 and add to equation (3)
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6C + 10P = 390
+
-6C - 2P = -246
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0C + 8P = 144
8P = 144
P = 18 The pots were $18 each
Now let's find the price of the chairs, let's use equation (2):
6C + 2P = 246
6C + 2(18) = 246
6C + 36 = 246
6C = 210
C = 35 Each chair cost $35
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Since we used equation (2) to find out the price of the chairs, let's now use equation (1) to make sure we have the correct ansswers:
3C + 5P = 195
3(35) + 5(18) = 195
105 + 90 = 195 Correct
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How much should Marisol expect to pay?
8C + 12P = 8(35) + 12(18) = 280 + 216 = 496 
Marisol should expect to pay $496