PSLE
Three boys, Ty, Ian and Ben had the same number of notes. Ty and Ian each had of mix of $5-notes and $2-notes. Ty had 5 $2-notes while Ian had 17 $2-notes. Ben had only $5-notes.

1. Of the three boys, who had the most money? 
2. What was the difference in the total value of Ty and Ian's notes? 
3. Ian used all his $5-notes to buy a present. He then had $86 less than Ben. How many $5-notes did Ben have?

(a)
The three boys had the same number of notes.
$2-notes have a lower denomination than $5-notes.

Since Ben had only $5-notes, he had the most money.

(b)
Difference in the number of notes of different values
= 17 - 5
= 12

Difference in the value of $5-notes and $2-notes
= 5 - 2
= $3

Difference in the total value of Ty's and Ian's notes
= 12 x 3
= $36

(c)
Value of $2-notes that Ian had left
= 17 x 2
= $34

Total value that Ben had
= 86 + 34
= $120

Number of $5-notes that Ben had
= 120 ÷ 5
= 24

Answer(s): (a) Ben; (b) $36; (c) 24