Answer:
b-13
Step-by-step explanation:
I'm pretty sure this is right? Unless I'm missing something, if I am I am terribly sorry.
I’m not for sure but I think it’s B
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
Your Answer:
<em>B. 1/2n-3</em>
Explanation:
<em>One way to get half a number is to multiply it by 1/2.</em>
<em>The phrase "a number less than an other number" often indicates subtraction.</em>