You plant 30 African violet seeds and 9 of them sprout. Use experimental probability to predict how many will sprout if you plant 20 seeds?

6 seeds will grow

Explanation:

An easy way to simplify is like this

9/30 -> Find a common factor (3)

9 sprout per 30 planted

Divide both sides by GCF(3)

3/10

3 sprout per 10 planted

x/20 = 3/10

How do you change that 10 into a 20?

Multiply by 2 = 6/20

So, 6 seeds sprout per 20 planted

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explanation: