The number of $5, $10 and $50 notes in a piggy bank is in the ratio of 6 : 6 : 5. The notes are worth $1700 altogether. Find the total number of $10 and $50 notes.
|
$5 |
$10 |
$50 |
Total |
Number |
6 u |
6 u |
5 u |
|
Value |
$5 |
$10 |
$50 |
|
Total value |
30 u |
60 u |
250 u |
$1700 |
Total value of $5, $10 and $50 notes
= 30 u + 60 u + 250 u
= 340 u
340 u = 1700
1 u = 1700 ÷ 340 = 5
Number of $10 and $50 notes
= 6 u + 5 u
= 11 u
= 11 x 5
= 55
Answer(s): 55