Question

Cat la suta este 30 din 180?

Answer 1

30 * 100 : 180 =
3000 : 180 =
16,(6)%

Answer 2

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CAT                                                         x
 la                                                            _
 
suta                                                   100

este                                                       =

30                                                      30

din                                                     _

180                                                 180

acum putem sa scriem

x/100=30/180

x/100=1/6

produs mezi=produs extremi
6x=100
x=100:6
x=16,(6)

30/180=16,(6)/100= 16,(6)%