Four students working in a group are trying to find a rational number between 1 2 and 7 8 . which student has a correct answer and explanation? a) milo divides 7 8 by 1 2 and gets a possible solution of 7 16 . b) sara converts 1 2 to 4 8 and then determines that 5 8 falls between the two numbers. c) julio cross multiplies and then flips the numerator and denominator to get 14 8 as his solution. d) mikala adds the numerators and multiplies the denominators and determines that 8 16 is a possible solution.