$102 is to be divided among a certain number of people. Half of the people received $5 each,
38 of the people received $7 each and the rest received $10 each. How many people are there altogether?
Fraction of the people who received $10 each
= 1 -
12 -
38= 1 -
48 -
38=
18
|
$5 |
$10 |
$7 |
Total |
Number |
4 u |
1 u |
3 u |
8 u |
Value |
5 |
10 |
7 |
|
Total value |
20 u |
10 u |
21 u |
51 u |
Total amount received by the people
= 20 u + 10 u + 21 u
= 51 u
51 u = 102
1 u = 102 ÷ 51 = 2
Total number of people
= 4 u + 1 u + 3 u
= 8 u
= 8 x 2
= 16
Answer(s): 16