Answer:
The solution for the other side length is the interval
(2.5,6.5)
Step-by-step explanation:
I will assume that is a triangle
we know that
The <u><em>Triangle Inequality Theorem</em></u> states that the sum of any 2 sides of a triangle must be greater than the measure of the third side
Let
x ---> the measure of the third side
Applying the Triangle Inequality Theorem
1) 

Rewrite

2) 

therefore
The solution for the other side length is the interval
(2.5,6.5)
2/3x-6=4x
8x=3x-6
8x-3x=-6
5x=-6
X=-6/5
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Answer:

Step-by-step explanation:
Given:
They used 1/2 lb flour to make the bread.
They used 1/7 lb less flour to make bread than to make cookies
So they used flour to make the cookies = 
= 
= 
Therefore they used
flour to make the cookies.
She used 1/5 lb more to make cookies than to make brownies.
So they used cookies to make the brownies = 
= 
= 
= 
Therefore they used
flour to make the brownies.