218,404 views
43 votes
43 votes
2. The ratio of boys to girls in a classroom is 2 to 3. If there are 18 boys in the classroom, how many

girls are there?

User RohitPorwal
by
2.7k points

2 Answers

22 votes
22 votes

Answer:

27 girls

Explanation:

boys 2/5 = 0.4 (40%) = 18

girls 3/5 = 0.6 (60%)= x

40%----------18

60%-----------x

Cross multiplication

40x = 60x18

40x = 1080

x=27

User Mvp
by
3.2k points
8 votes
8 votes

Answer:

27 girls

Explanation:

boys 2 : 3 girls

18: x

18×3= 54:2x

54÷2= 27

User Andrea Alhena
by
2.7k points
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