Question

Media aritmetica a doua numere naturale consrcutive este egala cu 23,5. Aflati cele doua numere

Answer 1

$(x+y):2=23,5 \\ x+y=23,5*2 \\ x+y=47 \\ y=x+1 \\ x+x+1=47 \\ 2x+1=47 \\ 2x=47-1 \\ 2x=46\\ x=46:2 \\ \boxed{x=23} \\ y=23+1 \\ \boxed{y=24}.$

Answer 2

a+a+1=2*23.5=47   2a=46   a=23  a+1=24