Answer: $432
Step-by-step explanation: If he marks up the price by 80% then you multiply the price (240) times 0.8, which is 192. That is how much he marks it up -- $192. SO then you add how much he marks it up to the original price of $242 which is $432.
Using a linear function, it is found that the rate of change in this problem situation is of -2 contestants per week.
<h3>What is a linear function?</h3>
A linear function is modeled by:
y = mx + b
In which:
- m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
- b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.
Considering the situation described, the number of participants after n weeks is given by:
N(n) = 20 - 2n.
The slope is of -2, hence the rate of change in this problem situation is of -2 contestants per week.
More can be learned about linear functions at brainly.com/question/24808124
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Answer:
$42.35
Step-by-step explanation:
The discount is 6% so in decimal form it is .06. Multiply that by the original amount $42.50.
42.5 x .06 = 2.55
That is the discount amount so you would subtract you from the original amount.
42.5 - 2.55 = 39.95
That is the cost of the textbook after the discount is applied. To apply the sales tax you would:
39.95 x .06 = 2.397
That is the tax amount so you would add it to the cost of the book.
39.95 + 2.397 = 42.347
Since we are talking about money you would round it to 2 decimal points.
$42.35
Similarly you could just do:
1.0 - .06 = .94
42.5 x .94 = 39.95
It will give you the same answer if you don't want to do it the first way.
Hope it helps! (:
I think 18q-4 is the answer
An outside angle is equal to the sum of the two opposite inside angles.
122 = x + 24
X = 122 - 24
X = 98 degrees
