Question
The table shows the heights of Anna, Evelyn, and Isaac. The average height of three children is 155 cm. The digit in the ones place of Anna's height and the digit in the tens place of Isaac's height are covered by ink blots.
  1. What is the digit in the ones place of Anna's height?
  2. What is the digit in the tens place of Isaac's height?
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

The table shows the heights of Anna, Evelyn, and Isaac. The average height of three children is 155 cm. The digit in the ones place of Anna's height and the digit in the tens place of Isaac's height are covered by ink blots.
  1. What is the digit in the ones place of Anna's height?
  2. What is the digit in the tens place of Isaac's height?