Rajan climbed to a height of 10 ft from the bottom of a climbing wall. He then climbed up an additional 5 ft.

What must he do to return to the bottom of the climbing wall?

To return to the bottom of the climbing wall, Rajan needs to climb down the same distance he climbed up, which is 5 ft.

To return to the bottom of the climbing wall, Rajan must climb down a total of 15 feet.