SOLUTION: Peter scores 85 marks in a test and it is equivalent to 21.25? What is a total mark for the test?

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Question 1154492: Peter scores 85 marks in a test and it is equivalent
to 21.25? What is a total mark for the test?
Answer by josgarithmetic(39625) About Me  (Show Source):
You can put this solution on YOUR website!
21.25 equivalent, out of what whole or total?