Asked by Lucas

If n=5 and r=1 (1+b)=10a,determine b in terms of a
Answered by Steve
what do n and r have to do with the problem?
Answered by Lucas
N is over the sigma sign which is 5 and r is under the sigma sign which is =1.......
Answered by Steve
so you have

5
∑ (1+b) = 10a
1

I still don't get it. Can you edit the expressions above to include everything?
Answered by Steve
If it's as written,

5(1+b) = 10a
1+b = 2a
a = (1+b)/2
Answered by Anonymous
Steve can you help me on mine
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