Question

Adriana are 8 bancnote de 5 lei, 6 bancnote de 10 lei,50 de bancnote de 1 leu , iar pana la 450 de lei are bancnote de 50 lei .
Cate bancnote de 50 de lei are ?

Answer 1

[450-(8×5)+(6×10)+(50×1)] : 50=
=[450-(40+60+50)]:50=
=[450-(100+50)]:50=
=(450-150):50=
=300:50=
=6 bancnote de 50 de lei are Adriana
                                                               R:6 bancnote