The table shows the heights of Julian, Lilian, and Caleb. The average height of three children is 146 cm. The digit in the ones place of Julian's height and the digit in the tens place of Caleb's height are covered by ink blots.
- What is the digit in the ones place of Julian's height?
- What is the digit in the tens place of Caleb's height?
Total height of the three children
= 3 x 146
= 438 cm
Total height of Julian and Lilian
= 438 - 143
= 295
295 - 160 - 100
= 35
= 3 tens 5 ones
(a) Digit in the ones place of Julian's height = 5
(b) Digit in the tens place of Caleb's height = 3
Answer(s): (a) 5; (b) 3