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Mathematics 18 Online
OpenStudy (anonymous):

Marta buys a bicycle for $350, reduced from $402.50. What is her percentage saving? Please explain!

OpenStudy (anonymous):

final = intial + (percent)(initial) 350 = 402.50 + p(404.50) p = -0.1304 (which means save about 13.04%)

OpenStudy (lilai3):

I got the result of 13.05%. Would you like to know how I got that answer?

OpenStudy (tkhunny):

What is the AMOUNT of the savings?

OpenStudy (anonymous):

All response or explanations would be helpful :)

OpenStudy (tkhunny):

Answer the question.

OpenStudy (lilai3):

So, how I got 13.05% was this: 350/ 402.5. do that for me. that would result in a decimal, correct?

OpenStudy (anonymous):

yeah, it'd be .869565217~

OpenStudy (lilai3):

good! so multiply that by 100, because 100 is the "whole"

OpenStudy (lilai3):

what do you get?

OpenStudy (anonymous):

I'd get 86.9565217~ So, does this mean that 350 is 86.9565217% of 402.50? If that's so, I can use 100% to subtract that^ to get 13.04 or 13.05 percent, right? I think~

OpenStudy (lilai3):

YES. you got it! use 100 to subtract from 86.9565217, because 86......is the percentage that you PAY, get it? what do you get as your final answer?

OpenStudy (lilai3):

if you get 13.05% that is the percentage you save. 86.....is the percentage that you PAY. what is the problem asking for? (;

OpenStudy (anonymous):

Oh, okay, I get it now! Thanks a lot :)!

OpenStudy (lilai3):

your welcome! hope i am of great help! well, i think i got this right, only because xxferro said he got that answer around mine. (; good luck!

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