1-)Calcule as seguintes porcentagens A-) 20% de 8500, B-) 12% de 210, C-) 25% de 1500, D-) 6% de 420, E-) 34% de 6540, F-) 50% de 1234, G-) 25% de 480, H-) 63 de 1300
Soluções para a tarefa
Resposta:
a) 1700
b) 25,2
c) 375
d) 25,2
e) 2223,6
f) 617
g) 120
h) 819
Explicação passo-a-passo:
a) 8500 => 100%
x => 20%
100x => 8500*20
100x => 170000
x => 170000/100
x => 1700
b) 210 => 100%
x => 12%
100x => 210*12
100x => 2520
x => 2520/100
x => 25,2
c) 1500 => 100%
x => 25%
100x => 1500*25
100x => 37500
x => 37500/100
x => 375
d) 420 => 100%
x => 6%
100x => 420*6
100x => 2520
x => 2520/100
x => 25,2
e) 6540 => 100%
x => 34%
100x => 6540*34
100x => 222360
x => 222360/100
x => 2223,6
f) 1234 => 100%
x => 50%
100x => 1234*50
100x => 61700
x => 61700/100
x => 617
g) 480 => 100%
x => 25%
100x => 480*25
100x => 12000
x => 1200/100
x => 120
h) 1300 => 100%
x => 63%
100x => 1300*63
100x => 81900
x => 81900/100
x => 819
*se possível coloque esta resposta como a melhor