I have 66% in a class and the final is worth 20%, what do I need to get on the final to get a C (70%) in the class?

Question

anonymous · Answer

well this is a weighted average.  Your current grade is worth 80%.  so you want

66 * 0.8 + X * 0.20 = 70

anonymous · Answer

What percentage grade would I need?

anonymous · Answer

solve for X

anonymous · Answer

I'm getting some awkward number.

anonymous · Answer

show steps and i'll find the problem

anonymous · Answer

(66 * 0.8)+(70 * .20)=70

anonymous · Answer

anonymous · Answer

That's link is very complicated Bob06!

anonymous · Answer

I just need a quick answer.

anonymous · Answer

66 * 0.8 + X * 0.20 = 70

anonymous · Answer

solve for X.  You put 70 in as X, but X is what you're solving for.

anonymous · Answer

So I would need an 86 on the final to get a C?

anonymous · Answer

something like that. just get as good a grade as you can ;)

sorry about the complicated link :D

anonymous · Answer

yep, i get 86

anonymous · Answer

Thanks!