well, 6.2% of 4,300 can't be over half. she has made a calculation error, and the real answer is (this is where the mistake was made) 4,300 * 0.062 (not 6.2, because percents are always divided by 100 to make them into a usable number), which is equal to $266.60.
Answer: 0.36
Step-by-step explanation:
6/10 x 6.10= 36/100
Through trial and error:
(7x-6)(3x-2)
Usually it works best to test out a number of possibilities :)