a)
100% - 45
15% - x
100x= 15· 45
100x= 675
x= 6,75
b)
13% - 39
100% - x
13x= 100· 39
13x= 3900
x= 300
c)
100% - 80
x% - 60
80x= 60· 100
80x= 6000
x= 75 %
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100% - 45
15% - x
100x= 15· 45
100x= 675
x= 6,75
b)
13% - 39
100% - x
13x= 100· 39
13x= 3900
x= 300
c)
100% - 80
x% - 60
80x= 60· 100
80x= 6000
x= 75 %
a)
100% - 45
15% - x
100x= 15· 45
100x= 675
x= 6,75
b)
13% - 39
100% - x
13x= 100· 39
13x= 3900
x= 300
c)
100% - 80
x% - 60
80x= 60· 100
80x= 6000
x= 75 %