" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
Jawaba = 4
u4 = 14 1/2
a + 3b = 14 1/2
3b = 10 1/2
b = 3,5
r= 14 1/2 + 3 1/2 = 18