The number of $2, $10 and $50 notes in a piggy bank is in the ratio of 7 : 8 : 3. The notes are worth $1464 altogether. Find the total number of $10 and $50 notes.
|
$2 |
$10 |
$50 |
Total |
Number |
7 u |
8 u |
3 u |
|
Value |
$2 |
$10 |
$50 |
|
Total value |
14 u |
80 u |
150 u |
$1464 |
Total value of $2, $10 and $50 notes
= 14 u + 80 u + 150 u
= 244 u
244 u = 1464
1 u = 1464 ÷ 244 = 6
Number of $10 and $50 notes
= 8 u + 3 u
= 11 u
= 11 x 6
= 66
Answer(s): 66