Resposta :
a)15000 = 100%
x = 35%
100x = 15000 . 35
100x =525000
x = 525000/100
x = 5250
b)8000 = 100%
x = 16%
100x = 8000 . 16
100x = 128000
x = 128000/100
x = 1280
c) 2380 = 100%
x = 45%
100x = 2380 . 45
100x = 107100
x = 107100/100
1071
2380 + 1071 = 3451