Answer:
20 total
Shelves 3 shelves /20 total=0.15=15%
Signs 2/20=0.10=10%
Benches 6/20=0.30=30%
Tablet Holders 9/20=0.45=45%
Explanation:
Shelves: 15%
Signs: 10%
Benches: 30%
Tablet Holders: 45%
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