Question

calcule o valor de cada situação
a)80% de 3200
b)10% de 40

Answer 1

a)
3200 - 100%
x       - 80 %

3200*80 = 100x
x = 32*80 = 2560

b)
40 - 100%
x   - 10%

40*10 = 100x
x = 4

Answer 2

    80                          256000

______  * 3200        _________  =   2.560

   100                            100

  10                           400

____  *  40             ______   =  4

  100                         100