Answer:
6bikes
Step-by-step explanation:
Simple
<h2>#hope</h2>
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I think you wrote that incorrectly
1800/3 = 600
Every pound covers 600 square feet
8400/600 = 14
<span>14/4 = 3.5 (round up) so it would become 4.
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You would need 4 bags.
I hope this helps!