Notam cu "a" nr. initial de rebusuri( care le-a facut prima zi)
a+a+4+a+4+4+a+4+4+4+a+4+4+4+4
5a + 40 = 95
5a=55 => a= 11
=> I zi = 11
a II-a zi = 15
a III.a zi = 19
a IV.a zi = 23
a V.a zi = 27
Iata desenul:
I zi |--------------------|
II zi|--------------------|------|
III zi|-------------------|------|------|
IV zi|-------------------|------|------|------|
V zi. |------------------|------|------|-------|-------|