Respuesta :

Answer: 12 boys at the movie

Step-by-step explanation:

The ratio of boys to girls is 4:7. There are 21 girls at the movie. This is 3 times more than the simplified ratio of girls to boys. Thus, to find the answer, multiply 4 by 3 to get 12 boys at the movie.

violetyau
12 boys


if there’s 21 girls you times 7 by 3 so you do the same for the boys times it by three and get 12.

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