Answer:
$0.84
Step-by-step explanation:
1. find total cost of both the pen and paper
2. find the amount Sally spent
3. find cost of ruler
Answer:
18
Step-by-step explanation:
3z + 4z +4 -2 -5z
Combine like terms
3z + 4z -5z +4-2
2z+2
Let z=8
2*8 +2
16+2
18
After solving
we get 
Step-by-step explanation:
We need to solve

Solving

Subtract 2 from both sides:

Subtract 2p from both sides

Divide both sides by 2p

So, after solving
we get 
Keywords: Inequality
Learn more about inequality at:
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