Dolphin 1 dove 200 feet under water. Dolphin 2 dove 30% farther. After Dolphin 2 dove down, it ascended 25 1/2 feet and then descended 40 1/2 feet. How far under the water is Dolphin 2?
To find out how far under the water Dolphin 2 is, we first need to determine the distance it dove down, taking into account the 30% increase in depth compared to Dolphin 1.
Let's begin by calculating the 30% increase in depth that Dolphin 2 dove compared to Dolphin 1:
30% of 200 feet = 0.3 * 200 = 60 feet
So Dolphin 2 dove 60 feet farther than Dolphin 1, which means its initial depth would be:
200 feet + 60 feet = 260 feet
Next, we need to determine the final depth of Dolphin 2 after it ascended 25 1/2 feet and then descended 40 1/2 feet from its initial depth of 260 feet.
To do this, we subtract the ascent and descent distances from the initial depth:
260 feet - (25 1/2 feet + 40 1/2 feet)
= 260 feet - 66 feet
= 194 feet
Therefore, Dolphin 2 is 194 feet under the water.
30% farther is 260 ft (200 * 1.30)
up 25.5 and down 40.5 is a net down of 15
260 + 15 = ?