SOLUTION: If I had 100% going into an exam worth 30% and I came out with my mark being a 70.98, what percentage did I get on my exam?

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Question 696316: If I had 100% going into an exam worth 30% and I came out with my mark being a 70.98, what percentage did I get on my exam?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
x*0.3 + 0.7*1 = 0.7098

0.3x + 0.7 = 0.7098

0.3x = 0.7098 - 0.7

0.3x = 0.0098

x = 0.0098/0.3

x = 0.03266666666667

So you got a 3.2667% score on the exam. So it's almost like you never took the exam at all (since it's so close to 0%)