12o + 7a = 5.36
8o + 5a = 3.68
How can we eliminate either the o or the a? Let's multiply the first equation by -2 and the second by 3.
-24o -14a = -10.72
24o + 15a = 11.04
Adding the two equations together...
a = 0.32
8o + 5(0.32) = 3.68
8o + 1.6 = 3.68
8o = 2.08
o = 0.26
Apples are 32 cents each and oranges are 26 cents each
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