Make denomenators the same
common denom is 2n²
multiply 3/2n by n/n
mulitply 1/n² by 2/2
we get

combine fractions

multiply both sides by 2n²
2n+2=n-2
minus n both sides
n+2=-2
minus 2 both sides
n=-4
We know there are 3 backpacks. So when we add the known values 9 3/4 and 1 3/4, we get 11 1/2. So 32- 11 1/2 will give you the pink backpack weight which is 20 and 1/2 pounds.
It is 270 i believe hope it helps
Answer: 20
Step-by-step explanation:
Let 's complete our quadrilateral to a rectangle ; and subtract from it the area highlighted in red

Answer:

Step-by-step explanation:
<em>First, multiply by exponent rule.</em>
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<em>Then, multiply by the numbers from left to right.</em>
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, </em><em>is the correct answer. </em>