The first is x
the 2nd is 3 times the first or 3x
the third is 2 times long as the 2nd piece or 2(3x) or 6x
total length=1st piece+2nd piece+3rd piece
48.5=x+3x+6x
48.5=10x
divide by 10
4.85=x
3x=14.55
6x=29.1
the 3 pieces are 4.85cm, 14.55cm and 29.1cm
Answer:
Step-by-step explanation:
1.43
2.98
It would have to be X + 8
Answer:
No, the expression are not equivalent.
Step-by-step explanation:
No way to simplify 3 + y so we leave it as is. Let's look at 
If we expand using distributive property we get:

3 + y does not equal to 2 + y/3.
These are the answers, if it is blurry I can retake the picture but I hope this helped.