The number of $2, $10 and $50 notes in a piggy bank is in the ratio of 8 : 6 : 7. The notes are worth $2982 altogether. Find the total number of $2 and $10 notes.
|
$2 |
$10 |
$50 |
Total |
Number |
8 u |
6 u |
7 u |
|
Value |
$2 |
$10 |
$50 |
|
Total value |
16 u |
60 u |
350 u |
$2982 |
Total value of $2, $10 and $50 notes
= 16 u + 60 u + 350 u
= 426 u
426 u = 2982
1 u = 2982 ÷ 426 = 7
Number of $2 and $10 notes
= 8 u + 6 u
= 14 u
= 14 x 7
= 98
Answer(s): 98