Proporção e porcentagem
Exercícios:
a) 29% de 2700
b) 17% de 1750
c) 23% de 2400
d) 44% de 3750
e) 55% de 1800
f) 47% de 1330
g) 37% de 1910
h) 51% de 3610
i) 75% de 970
j) 49% de 6152
k) 88% de 2240
l) 95% de 3519
Soluções para a tarefa
Oi.....
a) 29% de 2700
100x = 29.2700
100x = 78300
x = 78300/100
x = 783
b) 17% de 1750
100x = 17.1750
100x = 29750
100x = 29750
x = 29750/100
x = 297,5
c) 23% de 2400
100x = 23.2400
100x = 55200
x = 55200/100
x = 552
d) 44% de 3750
100x = 44.3750
100x = 165000
x = 165000/100
x = 1650
e) 55% de 1800
100x = 55.1800
100x = 99000
x = 99000/100
x = 990
f) 47% de 1330
100x = 47.1330
100x = 62510
x = 62510/100
x = 625,1
g) 37% de 1910
100x = 37.1910
100x = 70670
x = 70670/100
x = 706,7
h) 51% de 3610
100x = 51.3610
100x = 184110
x = 184110/100
x = 1841,1
i) 75% de 970
100x = 75.970
100x = 72750
x = 72750/100
x = 727,5
j) 49% de 6152
100x = 49.6152
100x = 301448
x = 301448/100
x = 3014,48
k) 88% de 2240
100x = 88.2240
100x = 197120
x = 197120/100
x = 1971,2
l) 95% de 3519
100x = 95.3519
100x = 334305
x = 334305/100
x = 3343,05
Boas lições.