Question

Determine os valores das porcentagens a seguir:
a) 20% de R$ 40,00 = c) 80% de R$ 420,00 =
b) 50% de R$ 150,00 = d) 25% de R$ 1000,00

Answer 1

Resposta:

A)8 B)75 C)336 D)250

Explicação passo-a-passo:

20/100 × 40 =8

50/100 × 150=75

80/100 × 420=336

25/100 × 1000=250

Answer 2

Resposta:

Olá!!!

A)20_____100

x______40

100x=20.40

100x=800

x=800/100

x=8

B)50____100

x____150

100x=50.150

100x=7500

x=7500/100

x=75

C)80___100

x___420

100x=80.420

100x=33600

x=33600/100

x=336

D)25____100

x____1000

100x=25.1000

100x=25000

x=25000/100

x=250

ATT:MIRANDA;)