It has to obey all the polynomial rules, like 3x^4 or 6x, it has to have the base then the power.
-45 + 150 = 105
Carol has $105 in her account after receiving her paycheck.
SOLUTION:
Case: Percentages
Method:
The sale price after 30% off is $6800
Let the original price be 'x'
30% off means 70% of the original price

Final answer: (Nearest cents)
The original price was $9714.29