The number of $2, $5 and $50 notes in a piggy bank is in the ratio of 2 : 4 : 3. The notes are worth $1044 altogether. Find the total number of $2 and $5 notes.
| |
$2 |
$5 |
$50 |
Total |
| Number |
2 u |
4 u |
3 u |
|
| Value |
$2 |
$5 |
$50 |
|
| Total value |
4 u |
20 u |
150 u |
$1044 |
Total value of $2, $5 and $50 notes
= 4 u + 20 u + 150 u
= 174 u
174 u = 1044
1 u = 1044 ÷ 174 = 6
Number of $2 and $5 notes
= 2 u + 4 u
= 6 u
= 6 x 6
= 36
Answer(s): 36
