At the beginning of the semester, a professor tells students that if they study for the tests, then there is a 55% chance they w
2 answers:
You might be interested in
Answer:
The solution is:
Please check the attached line graph below.
Step-by-step explanation:
Given the expression
Add 4 to both sides
Simplify
Subtract 4r from both sides
Simplify
Multiply both sides by -1 (reverses the inequality)
Simplify
Divide both sides by 11
Simplify
Therefore, the solution is:
Please check the attached line graph below.
Answer:
The cost of a roll of toilet paper is <u>$2</u> and the cost of a bottle of hand sanitizer is <u>$4</u>.
Step-by-step explanation:
Given:
Mrs Leon bought 6 rolls of toilet paper and 5 bottles of hand sanitizer for $32.
Ms Ramirez bought 4 rolls of toilet paper and 1 bottle of hand sanitizer for $12.
Now, to find the cost for each item sold.
Let the cost of a roll of toilet paper be
And the cost of a bottle of hand sanitizer be
So, the cost of 4 rolls of toilet paper and 1 bottle of hand sanitizer:
Now, the cost of 6 rolls of toilet paper and 5 bottles of hand sanitizer:
Substituting the value of from equation (1):
<em>Subtracting both sides by 60 we get:</em>
<em /><em />
<em>Dividing both sides by -14 we get:</em>
<u>The cost of a roll of toilet paper = $2.</u>
Now, substituting the value of in equation (1):
<u>The cost of a bottle of hand sanitizer = $4.</u>
Therefore, the cost of a roll of toilet paper is $2 and the cost of a bottle of hand sanitizer is $4.