Question

Rezolvați 23 si 24 va rog

Answer 1

23.
nr.garoafe+nr.trandafiri=40
nr.garoafe-nr.trandafiri=24
=>nr.garoafe=24+nr.trandafiri
24+nr.trandafiri+nr.trandafiri=40
2xnr.trandafiri=16
=>nr.trandafiri=8buc
=>nr.garoafe=32buc

pret,trandafiri+pret,garoafe=11lei
pret,trandafiri-pret,garoafe=9lei
=>pret,trandafiri=9+pret,garoafe
9+pret,garoafe+pret,garoafe=11lei
2xpret,garoafe=2lei
=>pret,garoafe=1leu
=>pret,trandafiri=10lei

32buc,garoafex1/4x1leu=8lei
8buc,trandafirix1/2x10lei=40lei

Total,suma=48lei

24.
747:3=239pungi,de,3,lei,fiecare
240:3=80pungi,au,fost,ridicate
239-80=159pungi,ramase