Is there a better way of implementing this control structure?

I have the following control structure that I would like to improve:

if(number >= 100)    then doSetInc(id, 8, 20)
elseif(number >= 91) then doSetInc(id, 8, 30)
elseif(number >= 81) then doSetInc(id, 8, 50)
elseif(number >= 7)  then doSetInc(id, 8, 70)
elseif(number >= 1)  then doSetInc(id, 8, 100)
end

Kinda hard to know what you mean with better since you don't specify in what regard.

In regards to cleaner code:

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FunctionName doSetInc is a bit weird, what does it do?

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You are sending in 3 variables into the function, it's common practice to use as few as possible (rarely more than 2, 0 or 1 prefered).

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You are always sending in "id" and "8" into the function, thus this function might not need those attributes and could be set in another way.

Other than that, since I find no easy mathematical similarities between these checks and what to do, I would say no, you can't improve it given this small piece of code and no other context.

StackExchange Code Review Q#14249, answer score: 6