" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
x- kg sliwek
1/5x+1/2x+1/6x+5,2=x
6/30x+15/30x+5/30x+52/10=x
26/30x+52/10=x
26/30x-x=-52/10
-4/30x=-52/10
x=52/10*30/4
x=39
s- waga śliwek w kg
1/5 + 1/2 + 1/6 = 26/30
s-(26/30)s=5,2
s(1-(26/30))=5,2
s=5,2*(30/4)=39 kg