The number of $2, $10 and $50 notes in a piggy bank is in the ratio of 8 : 6 : 1. The notes are worth $882 altogether. Find the total number of $10 and $50 notes.
| |
$2 |
$10 |
$50 |
Total |
| Number |
8 u |
6 u |
1 u |
|
| Value |
$2 |
$10 |
$50 |
|
| Total value |
16 u |
60 u |
50 u |
$882 |
Total value of $2, $10 and $50 notes
= 16 u + 60 u + 50 u
= 126 u
126 u = 882
1 u = 882 ÷ 126 = 7
Number of $10 and $50 notes
= 6 u + 1 u
= 7 u
= 7 x 7
= 49
Answer(s): 49
