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SOVA2 [1]
2 years ago
12

Samuel is running a 3-mile race. He would like to finish the race in under 33 minutes. He has already run for 10. 5 minutes. The

inequality 10. 5 x < 33 represents the situation. Solve the inequality. How is the solution interpreted in the context of the problem? x < 22. 5; Sam has a maximum of 22. 5 minutes left to finish running. X < 22. 5; Sam has fewer than 22. 5 minutes left to finish running. X > 43. 5; Sam has at least 43. 5 minutes left to finish running. X < 43. 5; Sam has no more than 43. 5 minutes left to finish running.
Mathematics
1 answer:
photoshop1234 [79]2 years ago
7 0

x < 22.5; Samuel has less than 22.5 minutes to finish the race in the estimated time.

<h3>What amount of time Samuel left for the race?</h3>

The given inequality is-

10x < 33

From here, we define the variable x.

x = Number of the minutes left for the race

From here we can find the value of x

We have then:

x < 33-10.5

x < 22.5

Hence, Samuel has less than 22.5 minutes to finish the race in the estimated time.

To know more about inequality follow

brainly.com/question/24372553

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12. The Opera is collecting monies in advance for ticket sales. The tickets cost $17.50 each.
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Answer:

The number of tickets they have sold in advance are summed up with the following equation and solution:

Equation: \frac{6842.50}{17.50} [the final answer should be in dollars]

Solution: The Opera sold 391 tickets in advance.

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First: Review some background information:

Let's see what the problem gives us to answer it. I'll bold out the important parts:

The Opera is collecting monies in advance for ticket sales. The tickets cost $17.50 each. If they have collected $6842.50 already, then how many tickets have they sold in advance?

We know how much the tickets cost and how much money they have earned from selling tickets, we can find out how much tickets they have sold.

Second: Solve the problem:

We can solve this problem using many ways, but I'm just going to pick one. We will use proportions to answer this. Now thoughts might be going through your head like this: What is this guy saying? What in the world is proportions? Well hopefully you learn from this example (Please don't take offense if you <em>do</em> know how to do proportions).

First we set up two fractions. One ticket costs $17.50, so we will use it to set up our first fraction: \frac{1}{17.50}. We don't know how many tickets all together cost $6842.50 so we will use the variable: x. Now, we can set up our second fraction. x tickets costs $6842.50 so our second fraction will be: \frac{x}{6842.50}. Now we must use cross multiplication. We multiply the numerator of the first fraction times the denominator of the second fraction, and then we multiply the denominator o the first fraction times the numerator of the second fraction. That's what we would do usually. But now, since we have a variable, we must use cross multiplication to solve for this variable. So we multiply the the numerator of the first fraction times the denominator of the other fraction and then we divide that answer times the denominator of the first fraction (You don't have to set it up like this).So let's solve this question:

\frac{1}{17.50}  \frac{x}{6842.50}

1 x 17.50 = 17.50

6842.50 ÷ 17.50 = 391

So our equation is 6842.50 ÷ 17.50, and our solution is 391 tickets

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