There are two types of candies in the store 20 CZK/kg and 80 CZK/kg. How much will a mixed cost if we mix 22kg cheaper and 4kg more expensive candies?

Correct answer:

a =  760 Kc
x =  29.23 Kc/kg

Step-by-step explanation:

m1=22 kg m2=4 kg  a=(m1 20+m2 80)=(22 20+4 80)=760 Kc
x=m1+m2a=22+4760=13380 Kc/kg=29.23 Kc/kg

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