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Can you work out this numeracy question?

An Art portfolio was due on 14th April, with a late submission penalty of 3% per day.The Art teacher gave Jessie's portfolio a mark of 91%. However Jessie handed in her assignment a week late, on 21st April. What will Jessie's final mark be for her portfolio? Give the mark as a whole percentage.

How do you work it out?

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Noreaster · F

oops I get 72%

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Noreaster · F

7 days at 3% a day = 21%

summerlove · 31-35, F

@Noreaster Thank you!

Daltonico · 61-69, M

@Noreaster And you are correct.

Noreaster · F

So she had 91% and you subtract 21% of the 91 and come up with 71.89%

summerlove · 31-35, F

@Noreaster Thank you so much!

reflectingmonkey · 51-55, M

73.5 or 70 depending on how you look at it

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reflectingmonkey · 51-55, M

well I see 2 equivalent way to do this. 583-484=99 99 devided by 11=9 9+484=493 or 484x10=4840 4840+583=5423 5423 devide by 11 =493

summerlove · 31-35, F

@reflectingmonkey Thanks! You're really smart.

reflectingmonkey · 51-55, M

@summerlove thanks, it was fun. but now I have to sleep, this is nuts. its 2:37am here. good night

SW-User

I don't work it out.😆

summerlove · 31-35, F

@SW-User You don't know how to?

SW-User

@summerlove no. Only thing I can figure out is 70%

Daltonico · 61-69, M

If it is a compound 3% it is more tricky.

Noreaster · F

80.89% rounded off to 81%

Mondayschild · F

84

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