$280 is to be divided among a certain number of people. Half of the people received $4 each,
512 of the people received $5 each and the rest received $7 each. How many people are there altogether?
Fraction of the people who received $7 each
= 1 -
12 -
512= 1 -
612 -
512=
112
|
$4 |
$7 |
$5 |
Total |
Number |
6 u |
1 u |
5 u |
12 u |
Value |
4 |
7 |
5 |
|
Total value |
24 u |
7 u |
25 u |
56 u |
Total amount received by the people
= 24 u + 7 u + 25 u
= 56 u
56 u = 280
1 u = 280 ÷ 56 = 5
Total number of people
= 6 u + 1 u + 5 u
= 12 u
= 12 x 5
= 60
Answer(s): 60