Answer:
$3 per pound
Step-by-step explanation:
2.25 / .75 = x / 1
.75x = 2.25
x = 3
Answer: x=3
Step-by-step explanation:5(x+3)=30
Divide both sides by 5.
x+3=30/5
Divide 30 by 5 to get 6.
x+3=6
Subtract 3 from both sides.
x=6−3
Subtract 3 from 6 to get 3.
x=3
Answer:

Step-by-step explanation:
<em>Step 1: Consider the assumption:</em>
Generally,
) is supposed to be the pair of 2 components, in which, the first component is x-component (domain), the second component is y-component (range).
Hence, 
<em>Step 2: Substitute </em>
<em> and </em>
<em> into the inequality</em>

<=> 
<em>Step 3: Simplify</em>
<=> 
<=> 
<em>Step 4: Evaluate</em>
Invalid
Reason: 
<em>Step 5: Conclude</em>
is not a solution to the inequality 
Hope this helps!
:)