Question

If a1=5 and an=an-1 +5 then find the value of a5

Answer 1

For this case we have the following information:

a1= 5

an = an-1 +5

We can create the following:

a2= 5+5= 10

a3= 10+5= 15

a4= 15+5= 20

a5= 20+5= 25