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Mathematics 18 Online
OpenStudy (mrhirohito):

Which value for x makes the sentence true? 5x = 480 A. 485 B. 96 C. 2,400 D. 475

OpenStudy (ghostedly):

Which do you think?

OpenStudy (ghostedly):

First divide both sides by 5.

OpenStudy (ghostedly):

5x / 5 = 480 / 5

OpenStudy (mrhirohito):

B.

OpenStudy (ghostedly):

Gratz.

OpenStudy (ghostedly):

B is correct.

OpenStudy (mrhirohito):

@Ghostedly

OpenStudy (mrhirohito):

wait can you help me with one more really quick?

OpenStudy (ghostedly):

?

OpenStudy (ghostedly):

Sure.

OpenStudy (mrhirohito):

OpenStudy (ghostedly):

What is your guess?

OpenStudy (mrhirohito):

give me a sec

OpenStudy (mrhirohito):

20.

OpenStudy (ghostedly):

Incorrect. The mean is when you add up all the numbers, then divide by how many numbers there are.

OpenStudy (ghostedly):

Your answer is 12.5

OpenStudy (mrhirohito):

how?

OpenStudy (ghostedly):

My bad. I must have done my calculations incorrectly. 20 is correct...

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