The number of $2, $5 and $50 notes in a piggy bank is in the ratio of 2 : 3 : 2. The notes are worth $952 altogether. Find the total number of $5 and $50 notes.
| |
$2 |
$5 |
$50 |
Total |
| Number |
2 u |
3 u |
2 u |
|
| Value |
$2 |
$5 |
$50 |
|
| Total value |
4 u |
15 u |
100 u |
$952 |
Total value of $2, $5 and $50 notes
= 4 u + 15 u + 100 u
= 119 u
119 u = 952
1 u = 952 ÷ 119 = 8
Number of $5 and $50 notes
= 3 u + 2 u
= 5 u
= 5 x 8
= 40
Answer(s): 40
