Math Guru's- please help

[racedoll]

Originally Posted by 6doublefive321

93=(0.20*100)+(0.30*98)+(0.25*97.2)+(0.25*x)
93=73.7+0.25*x
19.3=0.25*x
x=77.2

Originally Posted by Tsunami

see thats what i couldn't figure out! I knew there was an algebraic equation involved but the percentages threw me off. I haven't done algebra since high school so i am way out of practice!

Thanks everyone!

This isn't how I figured it. This is way too complicated!