The number of $2, $5 and $50 notes in a piggy bank is in the ratio of 1 : 9 : 8. The notes are worth $4917 altogether. Find the total number of $5 and $50 notes.
| |
$2 |
$5 |
$50 |
Total |
| Number |
1 u |
9 u |
8 u |
|
| Value |
$2 |
$5 |
$50 |
|
| Total value |
2 u |
45 u |
400 u |
$4917 |
Total value of $2, $5 and $50 notes
= 2 u + 45 u + 400 u
= 447 u
447 u = 4917
1 u = 4917 ÷ 447 = 11
Number of $5 and $50 notes
= 9 u + 8 u
= 17 u
= 17 x 11
= 187
Answer(s): 187
