Question

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

Answer 1

Answer:

27 girls

Step-by-step explanation:

boys 2 : 3 girls

18: x

18×3= 54:2x

54÷2= 27

Answer 2

Answer:

27  girls

Step-by-step 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