9514 1404 393
Answer:
60
Step-by-step explanation:
The minimum number required is the least common multiple (LCM) of 15 and 4. The numbers 15 and 4 have no common factors, so their LCM is their product.
15×4 = 60 strands are required
it would be inconsistent. Meaning it won't have a solution
Total time = 10/10
So time left = 10/10 - 2/10 - 7/10
= 10/10 - 9/10
= 1/10 (answer)
Answer: quit
