<span> However 4(4x-3) -6x can be replaced by 16x-12 -6x using the distributive law then we may combine like terms to obtain 10x -12. RESPONSE TO UPDATE .. Since you provided the choices in your update, the choices equivalent to 10x -12 are A 12x -12 - 2x and C. 4x + 2(3x-6)</span>
Kelli ran 4 more miles than the week before, so to find what percent that is of 28, divide.
4 / 28 = 0.142857143, or ~14.29%
Kelli ran 14.2857143% or about 14.29% more miles than last week.
U want to go x2 plus x so its x3 then 4x3times -15 so x=3.33333
Answer
this hard
explanation
sorry i can’t help