Question

Irina a cules din gradina mai multe flori.acasa a observat ca,daca pune cate 3 flori intr-o vaza nu ii incap 10 flori,iar daca pune 7 flori intr-o vaza,ii raman 2 vaze goale.cate flori a cules irina si cate vaze are ea in casa? VA ROGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGG

Answer 1

x nr de flori
y nr de vaze
punem Pb in ec
x-10=3y
x=7(y-2)
x=7y-14
3y+10=7y-14
4y=24
y=6
x=7×4
x=28
3×6=18
28-18=10
28:7=4vaze ocupate 2 goale