Chapter 3 Test (Part 2) SA

While Alex was surfing, he rose 36 feet above the water as he rode the wave. Within seconds he fell 48 feet, where he hit the ocean floor. How deep was the ocean where Alex was surfing? Write an expression for the situation above.

Solve the expression you wrote for #9 to find the depth of the ocean where Alex was surfing.

In one day, a hiker climbed up a mountain a vertical distance of 100 feet, down a vertical distance of 23 feet, up a vertical distance of 25 feet, and down a vertical distance of 36 feet. Write an addition expression to represent the distances the hiker climbed up and down during the day.

Solve your expression from #11 to find the elevation of the hiker by th end of the climb.