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Mathematics 7 Online
OpenStudy (christopher1448):

HELP PLZ! 29.83 - 7.99, 15.9 + 56 + 8.23 and 86.2 - 5.35

OpenStudy (mathmale):

Is this addition or subtraction? 29.83 - 7.99 Why not write "-7.99" underneath "29.83" and see what you should do next.

OpenStudy (christopher1448):

Oh thx!

OpenStudy (mathmale):

Christopher: Sorry for this other person's behavior. I have taken disciplinary action against him.

OpenStudy (christopher1448):

thank you

OpenStudy (mathmale):

29.83 - 7.99 ------ Christopher: Please subtract. Borrow a '1' from that '8', to get '13,' and then subtract 9. please show all steps.

OpenStudy (mathmale):

" 15.9 + 56 + 8.23" is all addition. Line up these numbers v ertically. Treat 15.9 as 15.90 (2 decimal places) Treat 56 as 56.00 (2 decimal places). Add.

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