That should be the answer 116,144.
Answer:
Given function:
To factor a quadratic in the form , find two numbers that multiply to and sum to :
Two numbers that multiply to 144 and sum to -24 are: -12 and -12
Rewrite as the sum of these two numbers:
Factorize the first two terms and the last two terms separately:
Factor out the common term :
Therefore:
I think 0.02 is right, why do you doubt that?
Since the tax is 6% and 6% of 3.60 is .216, you just round the .216 to .22 and add that to 3.60 to get your final price as $3.88.