311 of the people in a bird park are men.
18 of the remainder are women and the rest are children. There are 1020 more children than women. How many people are there in the bird park altogether?
| Men |
Women |
Children |
Total |
| 3 |
8 |
11 |
| |
1 |
7 |
|
| 3 u |
1 u |
7 u |
11 |
Fraction of the people that are women and children
= 1 -
311 =
811 Fraction of the remaining people that are children
= 1 -
18 =
78 Total number of people = 11 u
Number of men = 3 u
Number of women = 1 u
Number of children = 7 u
Number of more children than women
= 7 u - 1 u
= 6 u
6 u = 1020
1 u = 1020 ÷ 6 = 170
Total number of people
= 11 u
= 11 x 170
= 1870
Answer(s): 1870
