1=v/7-2 solve and right the equation of how u got that answer

After the seventh month of a 12-month loan: the numerator is: {(n + 11) + (n + 10) + (n + 9) + (n + 8) + (n + 7) + (n + 6) + (n + 5)} = , and the denominator is: {(n) + (n + 1) + + (n + 11)} = . therefore, the fraction is numerator/denominator (to the nearest tenth) = %

Find the nonpermissible replacement for binthis expression.b2/5b +5

Hundred and tens tables to make 430 in five different ways