din 34 kg capsuni s- au obtinut 8 kg dulceata. Cate kg capsuni trebuie pt a se obtine 10 kg? Dar 12 kg?

Răspuns :

34kgcapsuni...8kg dulceata
xkgcapsuni ....10kg
x=(34*10)/8
x=42.5 kg capsuni


34kgcapsuni...8kg dulceata
xkgcapsuni ....12kg
x=(34*12)/8
x=51kg capsuni
se foloseste regula de 3 simpla
34kg capsuni ...............8 kg dulceata
x kg capsuni ........... . ....10 kg dulceata
x =34 *10 supra 8
x=340 :8
x=42.5
exact la fel se fa e si la celalalt dor ca in loc de 10 pui 12 si faci 34*12