SOLUTION: asha got 85% marks in the annual examination. if she got 680 marks, find the total maximum marks of the examination

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Question 852544: asha got 85% marks in the annual examination. if she got 680 marks, find the total maximum marks of the examination
Found 2 solutions by LinnW, ewatrrr:
Answer by LinnW(1048) About Me  (Show Source):
You can put this solution on YOUR website!
Set up a proportion
85%2F100+=+680%2Fx
cross products
85x+=+680%2A100
85x+=+68000
divide each side by 85
x+=+68000%2F85
x+=+68000%2F85, x = 800
Testing, 680/800 gives us 85%

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Let x represent  the total maximum marks of the examination

.85x+=+680

      x = 680%2F.85 = 800,  the total maximum marks of the examination