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I NEED HELP ASAP AND WILL GIVE BRAINLIEST !!

At a carnival, tickets were given to the visitors for games and rides. The ratio of the number of adults
to the number of children was 2: 5. Among the children, the ratio of
the number of girls to the number of boys was 1: 3. Each adult received 2 tickets
received 4 tickets. A total of 2976 tickets were given out.
(A) what fraction of the visitors are boys? Express your answer in its simplest form.
(b) How many more boys than girls were there at the carnival?

Respuesta :

Correct answer:
r = 1:4

Step-by-step explanation:
a=40
b=10

r=b/a=10/40=0.25

Hope this helps i tried my best

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