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zvonat [6]
4 years ago
5

2

Mathematics
2 answers:
maks197457 [2]4 years ago
7 0

Answer:

65

Step-by-step explanation:

total girls/ total students = 5/(5+7)

total girls/ 156 = 5/12

total girls = [(156)(5)]/ 12

total girls= 65

Hope this helps!

Please mark brainliest if you think I helped! Would really appreciate!

Gemiola [76]4 years ago
4 0

ratio of boys : girls : all students

7 : 5 : 12

multiply all by 13

91 : 65 : 156

there are 65 girls

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Read 2 more answers
a machinist can produce 114 parts in 6 minutes. at this rate, how many parts can the machinist produce in 15 minutes ​
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