Answer :
Final answer:
Aisha originally had a 20-foot ribbon. After using 15%, she was left with 17 feet. Using 20% of that to wrap gifts, she had 13.6 feet of ribbon remaining.
Explanation:
The remaining length of ribbon after Aisha uses a percentage of it for various purposes. First, we understand that Aisha used 15% of the ribbon and was left with 17 feet. To find out the original length of the ribbon, we can divide the remaining length (17 feet) by the percentage left, which is 85% (since 100% - 15% = 85%).
Original length of ribbon = 17 feet / 0.85 = 20 feet.
Next, Aisha used 20% of the remaining 17 feet to wrap gifts. To find how much she used to wrap the gifts, we calculate 20% of 17 feet.
Ribbon used to wrap gifts = 0.20 × 17 feet = 3.4 feet.
Finally, to find the remaining length of ribbon, we subtract the amount used for gifts from the remaining length.
Remaining length of ribbon = 17 feet - 3.4 feet = 13.6 feet.