Since they are simmilar we will then have the following relationships.

Now, we solve for x, as follows:

The expression goes along the lines of. 15 is to 10 what 9 is to x, with this as was done we solve for x and determine it's value, that since they keep proportionality.
The income of the amusement park is a function of the price of the ticket
The entry price that will result in no income is $24
<h3>How to determine the entry price that results in no income</h3>
The expression for the income is given as:

When the income is 0, we have the following equation

Factor out 4x

Split the equation
4x = 0 or 24 - x = 0
Solve for x
x = 0 or x = 24
This means that, the entry price that will result in no income is $24
Read more about income and expenses at:
brainly.com/question/13628349
Answer:
53
Step-by-step explanation:
they are a linear pair so x + 2x + 21 = 180 so you subtract 21 from both sides, combine x and 2x then divide by 3 to get 53
Okay, do you have an equation for me to solve