The table shows the heights of Zoe, Amelia, and Hannah. The average height of three children is 148 cm. The digit in the ones place of Zoe's height and the digit in the tens place of Hannah's height are covered by ink blots.
- What is the digit in the ones place of Zoe's height?
- What is the digit in the tens place of Hannah's height?
Total height of the three children
= 3 x 148
= 444 cm
Total height of Zoe and Amelia
= 444 - 127
= 317
317 - 150 - 104
= 63
= 6 tens 3 ones
(a) Digit in the ones place of Zoe's height = 3
(b) Digit in the tens place of Hannah's height = 6
Answer(s): (a) 3; (b) 6