Question

Calcule o número cujos:
A)3% são 900
B)2,7% são 3
C)3% são 1,728 D)8,5% são 68

Answer 1

a)3/100x= 900
3x= 90000
x= 90000/3=30000

b)2,7/100x=3
2,7x= 300
x= 300/2,7= 111,111

c)3/100x= 1,728
3x= 172,8
x= 172,8/3= 57,6

d)8,5/100x= 68
8,5x= 6800
x= 6800/8,5= 800