Ineed with this one.
how do i figure out what c is?

Sherina wrote and solved the equation. x-56=230 x-56-56=230-56 x=174 what was sherina’s error? sherina’s work is correct. sherina only needed to subtract 56 from 230. sherina made a subtraction error when subtracting 56 from 230. sherina should have added 56 to both sides of the equation.

Answer this question only if you know the 30 points and

What could explain what happened when the time was equal to 120 minutes