Question

a)Aumenta 120 un 10% b) disminuye un 348 un 20%

Answer 1

a) 120 ------- 100%
x ------- 110%
x = 120 x 110 :100 = 132.
b) 348 ------ 100%
x. ------ 80%
x = 348 x 80 : 100 = 278,4.

:)