$171 is to be divided among a certain number of people. Half of the people received $3 each,
512 of the people received $6 each and the rest received $9 each. How many people are there altogether?
Fraction of the people who received $9 each
= 1 -
12 -
512= 1 -
612 -
512=
112
|
$3 |
$9 |
$6 |
Total |
Number |
6 u |
1 u |
5 u |
12 u |
Value |
3 |
9 |
6 |
|
Total value |
18 u |
9 u |
30 u |
57 u |
Total amount received by the people
= 18 u + 9 u + 30 u
= 57 u
57 u = 171
1 u = 171 ÷ 57 = 3
Total number of people
= 6 u + 1 u + 5 u
= 12 u
= 12 x 3
= 36
Answer(s): 36