3 years ago

1: Find the total cost of 25 pens and 75 books

Mathematics

1 answer:

Salsk061 [2.6K]3 years ago

4 0

Answer:

0.2 x 25 = 5

0.3 x 75=22.5

22.5+5=<u>27.5</u>

Step-by-step explanation:

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Solve for n using the additive identity property.

tangare [24]

<em>The answer is:</em>

$\boxed{n=5}$

<h2>Explanation:</h2>

The additive identity property states that if you add any real number to zero or add zero to any real number, you will get the same real number back. In other words:

$a+0=0+a=a \ For \ any \ real \ number \ a$

Here we have that:

$5+0=n$

So by the mentioned property:

$5+0=0+5=5$

In other words:

$\boxed{n=5}$

<h2>Learn more:</h2>

Distributive property: brainly.com/question/12256474

#LearnWithBrainly

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Step-by-step explanation:

I hope it helped you:)

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