Since the ratio is 3:4, and 12/4 is 3 than you do 3x3 and get 9 so the answer is 9:12 or 9 boys and 12 girls. To check your answer, you can do 3/4 (for 3:4) and that is 0.75. If you do that with 9:12 you also get 0.75.
Answer:
7x12x2=168 I think but how did u do this
I think D is the correct answer.
336......?? find the area of cross section and than multiply with the lenght
I'll post one, because I disagree with everybody so far.
All the factors of 38 are 1, 2, 19, and 38.
The primes are 2 and 19.
The second largest prime factor is 2 .
