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shtirl [24]
2 years ago
5

an online electronics store bought 24 keyboards and 15 phone chargers for $120 and then sold each keyboard for $35 and each phon

e charger for $15. part a: which expression represents the amount of money the store made? (1 point) (24)(15) (15)(35) − 120 (24)(35) (15)(15) − 120 (24)(15) (15)(35) 120 (24)(35) (15)(15) 120 part b: explain why your answer to part a is correct. (1 point) part c: what is the value of the expression you chose in part a? show each step of your work. (2 points)
Mathematics
1 answer:
sweet-ann [11.9K]2 years ago
3 0

The Amount made by store is expressed as 24(35) + 15(15) - 120. This is correct because profit = selling price - cost proce.

<h3>How to use order of operations?</h3>

The order of operations to be used is PEMDAS which is an acronym for the words parenthesis, exponents, multiplication, division, addition, subtraction.

Now, we are told that an online electronics store bought 24 keyboards and 15 phone chargers for $120.

Now, they  sold each keyboard for $35 and each phone charger for $15. Thus, the expression to show the amount of money the store made is;

Profit = Selling Price - Cost Price

Thus, we have;

Amount made by store = 24(35) + 15(15) - 120

Read more about Order of operations at; brainly.com/question/345677

#SPJ1

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Answer:

ln(5/256)

Step-by-step explanation:

Step 1, do the stuff in parenthesis:

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Step 2, remove parenthesis and simplify:

1/5 (5ln5) - 8ln2 = ln5 - 8ln2

Step 3, use this formula-

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Step 4, use another formula:

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