Money/pen
$4.14/6 pen
$0.69/1 pen
20 pens x 0.69
$13.80
Answer:

Step-by-step explanation:
<u>Given Equation is:</u>

Adding 9 to both sides
=> 
=> 
Multiplying 2 to both sides
=> -3x = -18 * 2
=> -3x = -36
Dividing both sides by -3
=> x = 12
If 40% is 8 grams, then 10% is 2 grams. So, in conclusion, a regular hot dog has 20 grams of fat. And a reduced fat hot dog has 12 grams of fat.
I think its the last one, Aidan can expect to save about $27.52 each week. Hope I was correct
Answer:
x = 4
x = -1
Step-by-step explanation: