Wines

Eleven liters of white wine and eight liters of red wine cost a total of 1315 CZK. 1 liter of white wine was 10 CZK cheaper than a liter of red wine. How much is 1 liter of white and how much red wine?

Correct answer:

b =  65
c =  75

Step-by-step explanation:


11b + 8c = 1315
b = c - 10

11·b + 8·c = 1315
b = c - 10

11b+8c = 1315
b-c = -10

Row 2 - 1/11 · Row 1 → Row 2
11b+8c = 1315
-1.73c = -129.55


c = -129.54545455/-1.72727273 = 75
b = 1315-8c/11 = 1315-8 · 75/11 = 65

b = 65
c = 75

Our linear equations calculator calculates it.



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