Coffee shop

To the coffee shop brought 2 types of coffee totally 50 kg. The first type was CZK 220 per kilogram, coffee second type 300 CZK per 1 kg. For all the coffee trader earned CZK 12,000. How many kilograms of coffee of first type and how many kilograms of coffee 2nd type brought shop?

Correct result:

x =  37.5 kg
y =  12.5 kg

Solution:


x+y=50
220x + 300 y = 12000

x+y=50
220•x + 300•y = 12000

x+y = 50
220x+300y = 12000

x = 75/2 = 37.5
y = 25/2 = 12.5

Our linear equations calculator calculates it.



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