$728 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 $12 each. How many people are there altogether?
Fraction of the people who received $12 each
= 1 -
12 -
512= 1 -
612 -
512=
112
|
$7 |
$12 |
$10 |
Total |
Number |
6 u |
1 u |
5 u |
12 u |
Value |
7 |
12 |
10 |
|
Total value |
42 u |
12 u |
50 u |
104 u |
Total amount received by the people
= 42 u + 12 u + 50 u
= 104 u
104 u = 728
1 u = 728 ÷ 104 = 7
Total number of people
= 6 u + 1 u + 5 u
= 12 u
= 12 x 7
= 84
Answer(s): 84