There are some pupils in the theme park.
110 of them are boys, of whom 60% of them do not wear hats.
19 of the girls do not wear hats. What is the percentage of the pupils in the theme park who do not wear hats?
| Boys |
Girls |
Total |
1x5 =
5 u |
9x5 =
45 u |
10x5 =
50 u |
| No hats |
Hats |
No hats |
Hats |
|
| 3x1 |
2x1 |
1x5 |
8x5 |
|
| 3 u |
2 u |
5 u |
40 u |
50 u |
60% =
60100=
35 The number of boys is the repeated identity. Make the number of boys the same. LCM of 1 and 5 is 5.
Number of pupils who do not wear hats
= 3 u + 5 u
= 8 u
Total number of pupils
= 3 u + 2 u + 5 u + 40 u
= 50 u
Percentage of the pupils in the theme park who do not wear hats
=
850 x 100%
= 16%
Answer(s): 16%
