$309 is to be divided among a certain number of people. Half of the people received $7 each,
512 of the people received $10 each and the rest received $11 each. How many people are there altogether?
Fraction of the people who received $11 each
= 1 -
12 -
512= 1 -
612 -
512=
112
| |
$7 |
$11 |
$10 |
Total |
| Number |
6 u |
1 u |
5 u |
12 u |
| Value |
7 |
11 |
10 |
|
| Total value |
42 u |
11 u |
50 u |
103 u |
Total amount received by the people
= 42 u + 11 u + 50 u
= 103 u
103 u = 309
1 u = 309 ÷ 103 = 3
Total number of people
= 6 u + 1 u + 5 u
= 12 u
= 12 x 3
= 36
Answer(s): 36
