Question

Anca,Elena si Mihaela au sadit in gradina casei lor 45 se garoafe.Anca a sadit 2/5 din numarul total, Elena a sadit cu 6 garoafe mai putine decat Anca, iar Mihaela cu 6 garoafe mai multe decat 3/4 din garoafele sadite de Elena.Cate garoafe a sadit fiecare fetita ?

Answer 1

$\frac{2}{5} 45=45:5*2=18 garoafe a sadit Anca$
$18-6=12 garoafe a sadit Elena$
$\frac{3}{4} 12+6=12:4*3+6=15 garoafe a sadit Mihaela$

Answer 2

2/5din 45=45:5x2=9x2=18 garoafe a sadit Anca
18-6=12 garoafe a sadit Elena
3/4din 12=12:4x3=9 garoafe
9+6=15 garoafe a sadit Mihaela
verificare:18+12=15=45 garoafe sadite