Question

escreva cada fração na forma de ´porcentagem:
a) 47
----
100

b) 7
----
20

c) 2
----
5

d) 3
----
25

Answer 1

a)47%
b)7/20×5=35/100=35%
c)2/5×20=40/100=40%
d)3/25×4=12/100=12%

Answer 2

a) 47%
b)7 . 100
-----------
20
700/20=35
35%
c)2.100
----------
5
200/5=40
40%
d)3 . 100
-----------
25
300/25=12
12%