Answer:
She has descended a total of 18 feet from the top to her friend.
Step-by-step explanation:
Anna is 26 ft. high on a rock-climbing wall.
She descends to the 15-foot mark,means she come to a height of [tex]26-15=11[/tex] feet and rests.
Then climbs down until she reaches her friend, who is 8 feet from the ground.
So, she climbs down [tex]15-8=7[/tex] feet more.
Hence, in total Anna has descended [tex]11+7=18[/tex] feet
The answer : She has descended a total of 18 feet from the top to her friend.
