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lara [203]
3 years ago
15

The ratio of girls to boys in Liza’s classroom is 5 to 4. How many girls are in her classroom if there is a total of 27 students

Mathematics
2 answers:
tigry1 [53]3 years ago
4 0
27/5 and 27/4 so the ratio is 13 boys 14 girls
andrezito [222]3 years ago
3 0

Answer:

15\ girls

Step-by-step explanation:

Let

x-----> the number of girls

y-----> the number of boys

we know that

x+y=27 -----> equation A

\frac{x}{y}=\frac{5}{4}

isolate the variable y

y=\frac{4}{5}x -----> equation B

Substitute equation B in equation A

x+\frac{4}{5}x=27

\frac{9}{5}x=27

x=5*27/9=15\ girls

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