4/15
4/6 = 20/30 and 2/5 = 12/30 so 20 - 12 = 8 or 8/30 which can be rounded to 4/15
Answer:
3 feets
Step-by-step explanation:
Given that :
Entire walkway uses 6 feets of brick
Width of walkway = x
Width of walkway is the same along both sides ;
SINCE, the number of sides of the walkway = 2 and each side is the same
Hence,
x + x = 6 feets
2x = 6 feets
x = 6 feets / 2
x = 3 feets
Answer:
Step-by-step explanation:
12x³ = 2²·3·x³
The greatest common factor of 12x³ and 3x² is 3x².
12x³ - 3x² = (4x - 1)3x²
