Sounds like the common legnths that work
aka pythagorean tripples so
3,4,5 is one of them
therefor we know that
6,8,10 is another since we just multiplied them all by 2
there are some that aren't multiplules like
5,12,13
these are just some
You take 60x.4 to see you are left with 36 inches 24x.75 to see what 75% of the 40% cut off is and you see she only needed 18 so you add back the Extra 6 cut off to the leftover 36 and you have 42 inches of ribbon left
Answer:
the answer id 27
Step-by-step explanation: