Answer:
2
Explanation:
4 chipped + 16 not chipped = 20 total
4 / 20 = 1/5 or 20% chance that vase will be chipped
Set up a proportion or find 20% of 10.
x = 2 (ten is on denominator because it's the total amount of vases)
or 10 * 0.2 = 2
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