The percentage that the store has taken off would be 30%.
The answer would be A, it has no solution
The simplified expression would be 3s + 15.
In order to find this we need to write an equation for the longest side. Since it's 3 more than twice as much as the smallest side (s), we can express it as 2s + 3. Now we simply add all 3 together and simplify.
2s + 3 + 12 + s -----> simplify
3s + 15
You have to change each groschen to be equal to Y and then input it into a graphing calculator to get the points
