yossi89 yossi89
  • 19-09-2016
  • Mathematics
contestada

If mark got 6 questions out of 40 incorrect what percent of the questions did he get correct?

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snow44
snow44 snow44
  • 19-09-2016
So if 6 out of 40 are incorrect, 40-6= 36 must be correct.
In order to gain percentage you do proportions.
36/40 = x/100.
Multiply 36 times 100 then divide by 40, which is 90.
The answer is 90%.
90% of the questions he got were correct.
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