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posted by theresa Wednesday, April 27, 2011 at 11:10pm.
90,40,15. What is the next number in the pattern and what is the rule for the pattern
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
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