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Savatey [412]
3 years ago
13

ATOR

Mathematics
1 answer:
katrin2010 [14]3 years ago
4 0

Answer:

6 adults

Step-by-step explanation:

Let

x -----> the number of children

y ----> the number of adults

we know that

The ratio

\frac{x}{y}=\frac{20}{15}

so

using proportion

Find the value of y for x=(20-12)=8

\frac{20}{15}=\frac{8}{y}\\\\y=15*8/20\\\\y=6

therefore

6 adults

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