he average of 10 numbers is 23 . if each number is increased by 4 , what will the new average be ?
sum of the 10 numbers = 230 if each number is increased by 4 , the total increase = 4 * 10 = 40 the new sum = 230 + 40 = 270 the new average = 270 / 10 = 27 . answer : b
add(23, 4)