Question: A 20-ft-by-30-ft swimming pool is filled with water. The depth is measured at 5-ft intervals, starting at one corner of the pool, and the values are recorded in the table. Estimate the volume of water in the pool.
|
0
|
5
|
10
|
15
|
20
|
25
|
30
|
0
|
2
|
3
|
4
|
6
|
7
|
8
|
8
|
5
|
2
|
3
|
4
|
7
|
8
|
10
|
8
|
10
|
2
|
4
|
6
|
8
|
10
|
12
|
10
|
15
|
2
|
3
|
4
|
5
|
6
|
8
|
7
|
20
|
2
|
2
|
2
|
2
|
3
|
4
|
4
|