Expensive 82581

Five bottles of white wine and six bottles of red wine cost 1410 CZK. A bottle of red wine was CZK 15 more expensive than a bottle of white wine. How many crowns will we pay for two white and two red wine bottles?

Correct answer:

x =  510 Kc

Step-by-step explanation:

5a+6b=1410 b=15+a  5 a+6 b=1410 b=15+a  5a+6b=1410 ab=15  Row251 Row1Row2 5a+6b=1410 2.2b=297  b=2.2297=135 a=514106b=514106 135=120  a=120 b=135  x=2 a+2 b=2 120+2 135=510 Kc



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