Sarah was locked out of her apartment and the only way out is through a window three stories high 20 feet above the ground. She needed to borrow from one of her friends. There is a tree along the side of the house so she will need to put the ladder 15 feet from her apartment. How long does the ladder need to be to reach the apartment window?
Answer:D because you divide it bu a common factor
Step-by-step explanation:
Answer:
$10,880
Step-by-step explanation:
15% = 15 ÷ 100 = 0.15
So 15% of 12800 = 0.15 x 12800 = 1920
Therefore, 12800 - 1920 = 10880
OR
12800 x (1 - 0.15) = 10880
