a(n+1)=a(n)/2 -5
a1=90
a2=90/2 -5= 45-5= 40
a3=40/2 -5= 20-5= 15
a4=15/2 -5= 7.5-5= 2.5
The next number is 2.5
90,40,15. What is the next number in the pattern and what is the rule for the pattern
1 answer
1 answer