Apples

Zuzana bought 3 kg Jonathan apples. Then she noticed that Golden apples were 3 CZK a kilogram cheaper. So they bought 2 kg. For apples, she paid a total of CZK 109. How much did 1 kg, Jonathan, and how much Golden?

Correct answer:

j =  23 CZK/kg
g =  20 CZK/kg

Step-by-step explanation:

3j+2g=109 g=j3  3 j+2 g=109 g=j3  2g+3j=109 gj=3  Row221 Row1Row2 2g+3j=109 2.5j=57.5  j=2.557.5=23 g=21093j=21093 23=20  g=20 j=23=23 CZK/kg



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