the average of 10 numbers was calculated as 19 . it is discovered later on that while calculating the average , one number , namely 76 , was incorrectly read as 26 . what is the correct average ?
"10 * 19 - 26 + 76 = 240 240 / 10 = 24 the answer is d ."
divide(add(multiply(10, 19), subtract(76, 26)), 10)