Answer:
Fell by 25%
Step-by-step explanation:
+20% January
-20% February (20-20 is zero, so we're back to the original price we started at here)
+25% March
?? April
Currently, we are 25% more than what we had, so to get back to normal, the price needs to go down by 25 percent. This will put us back to zero. Put another way...
+20%-20%+25%-25%=0% (Original Price)
Answer:
C. 
Step-by-step explanation:
Given


Required
Equation of line
Let m represents the slope of the line;
m is calculated as thus




By substituting the right values in the formula above;
becomes

Multiply both sides by 





Reorder

Hence, the equation that represents the line is 
The answer is x=13 because the equations equal each other