Question

In a marathon, 90% of runners managed to complete it and 30% of them were men. If 270 men completed it, how many total runners began the marathon?


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Answer 1

Răspuns:

one thousand

Explicație pas cu pas:

270 men= 30% of 90% of total =27% of total =27/100 of total

270 runnres (men)=27/100 of total  | : 27

10 runners=1/100 of total

Total =10*100

Total=1000 runners

AS SIMPLE AS THAT, cum s-ar zice pe romaneste!!!