SOLUTION: On his last test Greg answered 64 questions correctly and got 80% right. How many questions were on the test?

Question 954896: On his last test Greg answered 64 questions correctly and got 80% right. How many questions were on the test?

Found 2 solutions by EdenWolf, MathLover1:
Answer by EdenWolf(517) (Show Source): You can put this solution on YOUR website!
Set up a proportion.

Cross multiply 64 and 100 to get 6,400. Divide 6,400 by 80 to get 80.
Thus, there were 80 questions on the test.
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

if questions answered correctly and got % right , then

% of is equal to :

=> there was questions on the test

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