Question

qual é o resultado de 30% de 13,50?
e 30% de 16,90?

Answer 1

13,50 - 30% = 9,45
16,90 - 30% = 5.07 

Vllw Pai!

Answer 2

13,50-------100%
x________30%

100x=13,50x30
100x=405
x=405/100
x=4,05

16,90--------100%
x---------------30%
100x=16,90x30
100x=507
x=507/100
x=5,07