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ella [17]
2 years ago
13

Rob is saving to buy a new MP3 player. For every $12 he earns babysitting, he saves $9. On Saturday, Rob earned $36 babysitting.

How much money did he save?
Mathematics
1 answer:
tigry1 [53]2 years ago
5 0

Answer:

$27

Step-by-step explanation:

Set up a proportion where x is the amount of money he saved:

\frac{12}{9} = \frac{36}{x}

Cross multiply and solve for x:

12x = 324

x = 27

So, he saved $27

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Step-by-step explanation:

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Alan bought two bikes. He sold one to Beth for $300 taking a 25% loss. He also sold one to Greta for $300 making a 25% profit. D
Mashutka [201]

No Alan did not break even

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<em><u>Solution:</u></em>

Given that,

Alan bought two bikes

He sold one to Beth for $300 taking a 25% loss

He also sold one to Greta for $300 making a 25% profit

When a person sells two similar items, one at a gain of say x%, and the other at a loss of x%, then the seller always incurs a loss

Which is given as:

loss\ \% = (\frac{x}{10})^2

Here, x = 25

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Thus the loss percentage is 6.25 %

8 0
2 years ago
You are told that P(A | B) = P(B | A). Which statement below must be true?
Katen [24]
The best answer to the question that is being stated above would be that A and B are both dependent. If I was told that P(A | B) = P (B | A), then the true statement is that both variables inside would be dependent upon each other, no matter if you exchange their places with one another.
6 0
3 years ago
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In​ 2005, out of every 50 employees at a company were women. If there are total company​ employees, estimate the number of women
myrzilka [38]

Answer:

9248

Step-by-step explanation:

let x be the number of women out of 41285 total company employees then we have the following proportion

11.2 : 50 = x : 41285

x = (41285 * 11.2)/50

x = 9247.84

the number of women is 9247.84 or if we round it since we can not have 0.84 of a woman employee, is it 9248.

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Answer:

43/40

Step-by-step explanation:

7 0
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