Answer:
i) 5 to 2
ii)

iii) 5 : 2
Explanation:
Ratio is comparing the number of two things of the same kind.
The ratio can be written three different form.
i) a to b
ii)

iii) a : b
Similarly, we can write 5 game apps for every 2 education apps.
i) 5 to 2
ii)

iii) 5 : 2