Question

Usando regra de três calcule 15% de 240

Answer 1

 x    240
15   100

x*100=15*240
100x=3600
x=3600/100
x=36
Resposta: 36  

Answer 2

.......

100..............15
____........_____
240...............x

240•15=3600➗ 100=36

15%....240=36