" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a = 120 kg
b = 10 kg
Un = a + (n-1)b
U10 = 120 + 9(10)
U10 = 120 + 90
U10 = 210 kg
Sn = n/2 (a+Un)
= 5 (330)
= 1.650 kg