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maria [59]
3 years ago
9

My friend bought a headset on Ebay for $45 and then sold it for 40% more. How much did he sell it for?

Mathematics
2 answers:
3241004551 [841]3 years ago
4 0

Answer:

63

Step-by-step explanation:

Multiply 0.4 by 45 (which is 18) then add that to 45.

shutvik [7]3 years ago
3 0

Answer: Your friend sold it for $63 dollars

Step-by-step explanation:

40%= 40/100= .4

Multiply 45 by .4

= 18

Add 18 to 45

45+18=63

Your answer is 63

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Answer:

see the explanation

Step-by-step explanation:

we have

0.888...

This is a <u>repeating decimal</u> (Is a decimal that has a digit, or a block of digits, that repeat over and over and over again without ever ending)

Convert to fraction number

Let

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10x=8.888...

Subtract 0.888... from 8.888... to remove the decimal

10x-x=8.888...-0.888...

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therefore

Mike fraction is incorrect

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0.8 is a <u>terminating decimal </u>(It's a decimal with a finite number of digits)

Mike's mistake was considering the number as a terminating decimal instead of a repeating decimal

Beth is correct

because

If you divide 8/9

the result is 0.8888888...

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