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40kg(m+p)=154 3kg m+5kg p=34 4kg m+9kg p=37 kg m=? kg p=?

Răspuns :

40 m + 40 p = 154

4 m + 9 p = 37 deci 40 m + 90 p = 370 deci 50 p  = 370 - 154 = 216 deci p = 216/50 = 4,32

m + 5 p = 34 deci m = 34 - 5x4,32 = 34 - 21,6 = 12,4