" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
b)15-100%120-x%15x=12000/:15x=800%
c)250-100%x-12%100x=3000/:100x=30zł
d)x-100%16-4%4x=1600/:4x=400