Question

key
▲ depth
■ water temperature
at the 30 - minute mark, gabriela was at a depth closest to:
○ 15 feet.
○ 25 feet.
○ 35 feet.
○ 55 feet.

Explanation:

Locate the 30-minute mark on the x-axis, then find the corresponding point on the red (depth) line. This point aligns closest to the 25-foot mark on the left y-axis.

Answer:

25 feet.