x+20kg - całkowita masa 30% * x + 0% *20 = 20%(x+20) 0,3*x = 0,2(x+20) 0,3x = 0,2x + 4 0,3x-0,2x = 4 0,1x = 4 x = 40 (x+20kg) = 40 + 20 = 60kg odp: Całkowita masa syropu wynosi 60 kg.
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x+20kg - całkowita masa
30% * x + 0% *20 = 20%(x+20)
0,3*x = 0,2(x+20)
0,3x = 0,2x + 4
0,3x-0,2x = 4
0,1x = 4
x = 40
(x+20kg) = 40 + 20 = 60kg
odp: Całkowita masa syropu wynosi 60 kg.