look carefully for the pattern , and then choose which pair of numbers comes next . 28 25 5 21 18 5 14
explanation : this is an alternating subtraction series with the interpolation of a random number , 5 , as every third number . in the subtraction series , 3 is subtracted , then 4 , then 3 , and so on . answer : option a
add(multiply(subtract(14, const_3), const_10), 5)