In a class, 40% of the students are girls. Of the girls in the class, 25% play tennis. There are 40 students in the class. How m

Question

3 years ago

9

any girls in this class, play tennis?
a- 10
b- 16
c- 4
d- 24

2 answers:

makkiz [27] · Answer 1 · 2022-07-06T21:06:26+03:00

Answer:

Let x=number of girls in the class

Then x+27 =total number of students in the class

So our equation to solve is :

40% of (x+27)=x or

0.40(x+27)=x get rid of parens

0.40x+10.8=x subtract 0.40x from each side

0.40x-0.40x+10.8=x-0.40x collect like terms

Step-by-step explanation:

ziro4ka [17] · Answer 2 · 2022-07-06T18:45:12+03:00

ziro4ka [17]3 years ago

7 0

I think it’s B not sure tho