" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
0,1x+0,02y=1,6
x+y=20
x=20-y
0,1(20-y)+0,02y=1,6
2-0,1y+0,02y=1,6
0,4=0,08y
y=5
x=20-5
x=15