Review

Mastering presents homework items assigned by your instructor and works with you to answer them. Homework items typically have an introduction, possibly figures, and one or more parts for you to answer.

Figure

$1$ of $2$

What is the magic number? $($Figure $2)$ Note that there is a figure also associated with this part. However, the figure for Part A may still be visible on the left. To view the figure associated with Part B$,$ click on the figure link. A new figure should appear on the left.

You could try to guess the magic number but you would probably use up all your tries before getting the answer. Notice the View Available Hint$($s$)$ link underneath the question statement for this part. Clicking this link will open up a list of clickable hints that will guide you to the correct number.

View Available Hint$($s$)$

Hint $1.$ Different types of hints and their impact on grading

Hint $2.$ How to approach the problem

Hint $3.$ What is $x?$

Recall that the previous hint stated that the magic number is equal to $15x,$

magic number $=15x$

where $x$ is a number between $1$ and $10.$ Specifically $x$ is an even number between $1$ and $10.$ Try to guess the value of $x.$

You may submit as many guesses as you need. Enter each guess into the answer box that follows.

$x=$

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magic number $=$

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