A group of 250 middle school students were asked whether they prefer playing video games or watching TV in their spare time. The genders of the students and their responses are reported in the following table.

Question

anonymous · Answer

attachment

vocaloid · Answer

percentage of girls = 100*number of girls/(number of boys + girls)
percentage of students that enjoy watching TV = 100*number of students who prefer TV/(number of boys + girls)

anonymous · Answer

@Vocaloid Im slightly confused, 100 *number of girls which is 130 divided by number of boys and girls?

vocaloid · Answer

not quite, how many girls are there?

anonymous · Answer

I added 43 and 87 because some girls watch tv and some play video games

vocaloid · Answer

actually, yea, you're right, there are 130 girls

anonymous · Answer

so 130 girls divided by? the part where you had girls+ boys confused me

vocaloid · Answer

number of girls + number of boys = ?

anonymous · Answer

250

vocaloid · Answer

right! so what is 100*number of girls/(number of boys + number of girls) ?

anonymous · Answer

52

vocaloid · Answer

yup, 52%

anonymous · Answer

I got 56% for the second part

vocaloid · Answer

yup, that's what I got, too, great work

anonymous · Answer

Thank you :)