Answer:
Students liked to play football are 210 .
Step-by-step explanation:
Formlua
[tex]Percentage = \frac{Part\ value\times 100}{Total\ value}[/tex]
As given
In a school, 42% of the students liked to play football and 24% liked to play tennis.
As the percentage is always 100% .
Percentage of students choose swimming = ( 100 - 42 - 24) %
= (100 - 66) %
= 34 %
The rest of the students choose swimming If 170 students choose swimming .
Part value = 170
Percentage = 34 %
Putting all the values in the formula
[tex]34 = \frac{170\times 100}{Total\ value}[/tex]
[tex]Total\ value = \frac{17000}{34}[/tex]
Total value = 500
As the percentage for students liked to play football = 42%
Putting in the formula
[tex]42 = \frac{Part\ value\times 100}{500}[/tex]
[tex]Part\ value= \frac{42\times 500}{100}[/tex]
[tex]Part\ value= \frac{21000}{100}[/tex]
Part value = 210
Thus
Students liked to play football = 210
Therefore the students liked to play football are 210 .