Answer: 12.75 inches
Step-by-step explanation:
Let x represent last year's rainfall.
Multiply by 0.8 since this year was 20% less.
x(0.8)= 10.2
x = 12.75
108.8 feet in total divided by 13.6 feet for each floor = 8 floors
Coral reefs<span> begin to </span>form<span> when free-swimming </span>coral<span> larvae attach to submerged rocks or other hard surfaces along the edges of islands or continents. As the </span>corals grow<span> and expand, </span>reefs<span> take on one of three major characteristic structures —fringing, barrier or atoll.</span>
