when the positive integer x is divided by 9 , the remainder is 5 . what is the remainder when 8 x is divided by 9 ?
"i tried plugging in numbers x = 9 q + 5 x = 14 8 x = 112 8 x / 9 = 9 * 12 + 4 remainder is 4 . answer is d ."
reminder(multiply(5, 8), 9)