Question
The table shows the heights of Grace, Natalie, and Matthew. The average height of three children is 141 cm. The digit in the ones place of Grace's height and the digit in the tens place of Matthew's height are covered by ink blots.
  1. What is the digit in the ones place of Grace's height?
  2. What is the digit in the tens place of Matthew'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 Grace, Natalie, and Matthew. The average height of three children is 141 cm. The digit in the ones place of Grace's height and the digit in the tens place of Matthew's height are covered by ink blots.
  1. What is the digit in the ones place of Grace's height?
  2. What is the digit in the tens place of Matthew's height?