The number of $2, $50 and $100 notes in a piggy bank is in the ratio of 5 : 5 : 2. The notes are worth $5060 altogether. Find the total number of $2 and $50 notes.
|
$2 |
$50 |
$100 |
Total |
Number |
5 u |
5 u |
2 u |
|
Value |
$2 |
$50 |
$100 |
|
Total value |
10 u |
250 u |
200 u |
$5060 |
Total value of $2, $50 and $100 notes
= 10 u + 250 u + 200 u
= 460 u
460 u = 5060
1 u = 5060 ÷ 460 = 11
Number of $2 and $50 notes
= 5 u + 5 u
= 10 u
= 10 x 11
= 110
Answer(s): 110