4(3+5×3)÷9
4(3+15)÷9
4(18)÷9
72÷9
8
72 ÷ 2= 36
36 × 4= 144
144 ÷ 3= 48
Answer: The divers depth is 144.5 feet below sea level. Or -144.5 feet.
To find this answer, you have to plug in 4.5 into the given equation.
The steps will look like this. I changed 12 and 1/3 to 37/3
-200 + (37/3)(4.5)
-200 + 55.5
-144.5
This is the depth of the diver after 4.5 seconds.
