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Harlamova29_29 [7]
3 years ago
7

Kaitlan sold 60% of her hockey card collection at the fall market sale. If she sold 240 cards, how many cards were in her collec

tion?
Mathematics
1 answer:
antiseptic1488 [7]3 years ago
8 0

Answer:

400

Step-by-step explanation:

Ok so if 60% of the total is 240 than create an expression:

60% of x=240

Now divide both sides by 3:

20% of x=80

Multiply both sides by 5 ( because 5 times 30 is 100):

100% of x=400

Thats the answer hope this helped! :)

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9) 80 is 20% of what number?
sweet-ann [11.9K]
<h3><u>Answer:</u></h3>
  • 400 is the number.
<h3><u>Step-by-step explanation:</u></h3>

<em>There can be many ways to find the number.</em><em> I have found the number with the help of fractions and multiplication. </em><em>Below is the solution to your problem.</em>

  • 80 = 20/100
  • => 5 x 80 = 20 x 5/100
  • => 400
<h3><u>Conclusion:</u></h3>

<em>Hence, 80 is 20% of 400. </em><em>I hope my method helped you.</em>

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The correct result would be x^3 + 3x^2 + 3x - 1.




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The given number is 3.75, we will read the number separately first as follows:
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So, combing the two parts, we can find that the word form of 3.75 is:
three and seventy-five hundredth.
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