19 of the people in a museum are girls.
38 of the remainder are boys and the rest are adults. There are 200 more adults than boys. How many people are there in the museum altogether?
| Girls |
Boys |
Adults |
Total |
| 1 |
8 |
9 |
| |
3 |
5 |
|
| 1 u |
3 u |
5 u |
9 |
Fraction of the people that are boys and adults
= 1 -
19 =
89 Fraction of the remaining people that are adults
= 1 -
38 =
58 Total number of people = 9 u
Number of girls = 1 u
Number of boys = 3 u
Number of adults = 5 u
Number of more adults than boys
= 5 u - 3 u
= 2 u
2 u = 200
1 u = 200 ÷ 2 = 100
Total number of people
= 9 u
= 9 x 100
= 900
Answer(s): 900
