A diver begins at 150 feet below sea level, descends at a steady rate of 5 feet per minute for 3.5 minutes, and then ascends 122.2 feet. What is the diver’s current depth? Explain how to write a numerical expression to find the answer.
Well to late now i ended up getting it wrong
To find the diver's current depth, we need to subtract the distance the diver ascended from the distance the diver descended.
First, let's calculate the depth the diver descended. The diver descends at a rate of 5 feet per minute for 3.5 minutes. We can write this as the numerical expression: 5 * 3.5. This gives us the distance the diver descended, which is 17.5 feet.
Next, we need to subtract the distance the diver ascended from the distance the diver descended. The diver ascended 122.2 feet, so we subtract this from the distance descended: 17.5 - 122.2.
Finally, we calculate the expression: 17.5 - 122.2 = -104.7.
The negative sign indicates that the diver is below sea level. Therefore, the diver's current depth is -104.7 feet.
d = 150 + 5* 3.5 - 122.2
= 150 + 17.5 - 122.2
= 45.3