SOLUTION: Sarah's got 85% of the questions correct on her last homework assignment. If there were 20 questions how many questions did she answer correctly? Please explain how to show work.

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Question 946488: Sarah's got 85% of the questions correct on her last homework assignment. If there were 20 questions how many questions did she answer correctly? Please explain how to show work.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
85 is to 100 as X is to 20.
85%2F100=X%2F20
85%2820%2F100%29=X
X=17