Notam:
prima zi = a
a doua zi = b
a+b = 124
a:b = 2 rest 13
a = 2×b+13
a |____|____|+13
b |____|
Avem 3 segmente egale +13 = 124
124-13 = 111
111:3 = 37 ( un segment)
a = 37×2 +13= 74+13 = 87
b = 37
Verificare:
87 + 37 = 124
87:37 = 2 rest 13
Raspuns:
87 lei in prima zi
37 lei a 2-a zi
