8 boxes is 100%, 6 out of 8 is 6/8 x 100% = 75%
Solve using the Pythagorean theorem.
The hypotenuse is c.
Answer:
see below
Step-by-step explanation:
2/10 = 1/5 = 0.2 = 20%
You can see that the term 
appears in both equations. In this cases, we can leverage this peculiarity and subtract the two equations to get rid of the repeated term. So, if we subtract the first equation from the second, we have
Now that we know the value of 
, we can substitute in any of the equation to deduce the value of 
: if we use the first equation, for example, we have
