Question

Sabina, Bianca , Daria aveau in colectia lor cate 120 , 210 respectiv 180 de servetele. Sabina a mai a adaugat 1 pe 4, Bianca 2 pe i , iar Daria 3 pe 9 din nr de servetele pe care il avea fiecare in colectie . Cate servetele au cele trei fetite impreuna

Answer 1

Sabina adauga 120:4=30 servetele Sabina are 120+30=150 servetele Bianca adauga 210:7x2=30x2=60 servetele Bianca are210+60=270 servetele Daria adauga 180:9x3=20x3=60 servetele Daria are 180+60=240 servetele In total au 150+270+240=660 servetele

Answer 2

120:4=30
120+30=150 Sabina
210x2=420
420+210=630 Bianca
180:9=20
20x3=60
180+60=240Daria
150+630+240=990 servetele