Answer:
$10.5 per dozen.
Step-by-step explanation:
$3.50 x 3 = $10.5
4 = 3.50 4 x 3 = 12 = $10.5
<h2>1.</h2>
Firstly, combine like terms: 
Next, subtract r on both sides of the equation: 
Next, add 8 onto both sides of the equation: 
Lastly, divide both sides by 6 and <em><u>your answer will be r = 3.</u></em>
<h2>2.</h2>
Firstly, multiply both sides by e: 
Lastly, divide both sides by 3, and <em><u>your answer will be
</u></em>
Answer: 2.2 I think is a 70 % C. It might depend on the school district though.
Step-by-step explanation: