12м : 1.8 км = 12 : 1800 = 1:150
I got up at 9 o,clock.In the bathroom I washed my hands face and cleaned my teeth .
I had jam and bread and drank milk for breakfast.Then I ran to school
In the evening I sat in armchair read Tiny s fairy tales and watched TV At 10 oclock I went to bed
<span>У первого 4, а у второго 8.
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60 школьников =12/12
x школьников(девочек) = 7/12
составляем пропорцию:
60/x=12/7
60*7=12*x
420=12x
x=35
ответ: 35 девочек