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Mathematics 8 Online
OpenStudy (anonymous):

Write the repeating decimal, 753.753753 . . . , as the ratio of two integers in lowest terms.

OpenStudy (kc_kennylau):

Let it be x.

OpenStudy (kc_kennylau):

Find 1000x.

OpenStudy (anonymous):

here is what i did x=753.753753 1000x=753753.753 then by subtracting 999x=752999.9992 so x=753.753753 this is what I got but it is not included in the choices , here they are A) 753,000/999 B) 753,000/99 C) 753,753/333 D) 251,000/999 E) 251,000/333 any help?

OpenStudy (kc_kennylau):

You forgot to write ellipsis

OpenStudy (kc_kennylau):

Which mean a lot

OpenStudy (kc_kennylau):

x=753.753753...... 1000x=753753.753753......

OpenStudy (anonymous):

oh ok so I take it from here and solve

OpenStudy (kc_kennylau):

Yep

OpenStudy (anonymous):

got it so it will be 753000/999 A

OpenStudy (kc_kennylau):

Very close :)

OpenStudy (anonymous):

thank you :)

OpenStudy (kc_kennylau):

But nope that's not the answer

OpenStudy (anonymous):

really , not A?

OpenStudy (kc_kennylau):

You overlooked three words

OpenStudy (anonymous):

where did i go wrong?

OpenStudy (kc_kennylau):

"in lowest terms"

OpenStudy (anonymous):

what does it mean then ?

OpenStudy (kc_kennylau):

It means simplify :)

OpenStudy (anonymous):

so the greatest common factor of 3 so it will be 251000/333 E

OpenStudy (kc_kennylau):

Perfect

OpenStudy (anonymous):

thanks for helping :)

OpenStudy (kc_kennylau):

no problem :)

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