7\5=28/x so complete the equation by simple algebra.so the x will be 20
Subtract 6x from both sides to get:
2y=-6x+12
Then divide both sides by 2 to get:
y=-3x+6
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