(25/100)*56 = (x/100)*42
14 = (21/50)x
x = 33.333333
The text tells us 215 is 86% of the questions
We are looking for 100% of the questions
We get that number by:
Multiplying 100 and 215 and dividing it by 86

And that equals 250
<span>The point of concurrency of the angle bisectors of a triangle is called the incenter.</span>
raise v to the 4th power, then divide 6 by the result
6/(v^4)
49.65-43.9=5.75 and you can check it by adding 43.9 and 5.75