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80%
40 questions
73.684% correct.
You multiply .78 times the amount of questions on the test (65). Which works out to 50.7, so either your teacher rounded or you got partial credit on a problem/ problems.
He got 6 wrong.
83. You may have typed the question wrong.
549/10 = x/6010x=540x=54
25%
27 * 81/100 = 22 problems correct -> 5 problems incorrect.
10 questions
28/38 * 100% = 73.68% You got about 74% on the test.
If you got 16 questions correct on a test, and got 80 percent, then there are a total of 16 / (80/100) = 16/0.8 = 20 questions on the test.
80%
40 questions
138 correct answers. 138/150=92
80
The fraction of the number 15 and 25 would be 15/25. This is a math problem.