3 years ago

Help on # 2 please. Thank you!

Mathematics

1 answer:

Alenkasestr [34]3 years ago

3 0

Answer:

There are 9 boys in the choir

Step-by-step explanation:

To solve this, create two equivalent fractions with the information given

boys 3 x

------- = ------ = ------

girls 4 12

Then, cross-multiply

4x = 3(12)

4x = 36

x = 9

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