Question

calcule:

2% de 900

1,2% de 5000

2,5% de 550

Answer 1

1)
900--------100%
x------------2%
100x=1.800
x=1800/100
x=18
2)
5.000------------100%
    x---------------1,2%
100x=6.000
x=6.000/100
x=60
3)
550-------100%
x-----------2,5%
100x=1375
x=1375/100
x=13,75

marca a melhor