2 years ago

The ratio of red balloons to blue balloons at a party is 4 to 9. If there are 20 red balloons, how many blue balloons are there?

Mathematics

1 answer:

STALIN [3.7K]2 years ago

5 0

Answer:

Step-by-step explanation:

4/9 to 20/x

cross multiply and divide to get your answer

4 20

9 x

4x=180

x=45

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