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explain how you would estimate to subtrac 189 from 643

Q: Explain how you would estimate to subtract 189 from 643?

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400

189 rounded up to the nearest 100 number would be 200; 200 subtracted from 643 = 443 , 200 - 189 454

1 and 2/189

half would be around 94.

189% as a fraction would be 189/100. The factors of 189 are 1, 3, 7, 9, 21, 27, 63, and 189. None of these numbers can be divided into 100 equally.

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640 - 190 = 450

400

400

189 rounded up to the nearest 100 number would be 200; 200 subtracted from 643 = 443 , 200 - 189 454

1 and 2/189

The factors of 189 are 1, 3, 7, 9, 21, 27, 63 and 189. None of them have a difference of 7. I suppose you could do 9 - 1 - 1, but that seems a little unfair.

Take your birthday, subtract 73 months, and add 189 days.

Today is Monday, May 19, 2014. If you subtract 27 weeks from today's date, or 189 days, the date would be Monday, November 11, 2013.

half would be around 94.

189% as a fraction would be 189/100. The factors of 189 are 1, 3, 7, 9, 21, 27, 63, and 189. None of these numbers can be divided into 100 equally.

The answer is 22. Start at the number 405, then every 9th number 594. Subtract 405 from 594 and you get 189. Then divide 189 by 9 and you get 21. Add the number 405. The answer you get is 22.

189