Answer:
Step-by-step explanation:
7(B + 3) + 2B
7B + 21 + 2B
7B + 2B + 21
9B + 21
Think of a ratio as a fraction
Answer:
There is sevral answers for one answer is David is blind another is far sighted
but the answer your looking for is C
Step-by-step explanation:
Answer: Number of sand bags are 105
Step-by-step explanation:
Alright, lets get started.
The diameter of pool is given as : 
The radius of pool will be : 
So the area of the pool will be:
Area = 
Area = 
Area = 
Area = 
3 square feet is covered by 1 sand bag, so
314.16 square feet will be covered by : 
So, no of sand bag = 
Rounding off to nearest number
Number of sand bags are 105 : Answer
Hope it will help :)