Question

calcule: 15% de 300
80% de 1200
50% de 50000
31% de 2500
8% de 32500
65% de 20000

Answer 1

300----100%

 x-------15%

x= 300x15/100=45

1200----100%

 x--------80%

x= 1200x80/100= 960

50000----100%

 x----------50%

x= 50000x50/100= 25000

2500----100%

 x--------31%

x=2500x31/100= 775

32500------100%

 x------------8%

x= 32500x8/100=2600

20000-------100%

  x------------65%

x=20000x65/100=13000

essas são as respostas, basta fazer uma regra de três simples.