un numar este mai mare decit altul de 3 ori plus 5 .Suma lor este41.afla produsul numerelot

Răspuns :

notam cu x nr
x+(3x+5)=41
x+3x=41-5
4x=36
x=36:4
x=9
3x+5=32
9+32=41
a--- )
t--- --- --- 5 )41
a--- )
t--- --- --- )41-5=36
a=36:4
a=9
t=9×3+5
t=27+5
t=32

32×
9 1-il tinem minte
----
288

Raspuns:288