Posted by **INEEDHELP! :(** on Tuesday, March 8, 2011 at 11:57pm.

Find the Original Amount:

NEW AMOUNT: 210

75% INCREASE

**please help me as soon as possible and explain steps please!**

- Pre Algebra -
**INEEDHELP! :(**, Wednesday, March 9, 2011 at 12:02am
please help me!!!!!!!!!! i have to turn in the assignment in an hour and i dont get this problem please explain and help me pleaseeeeeeeeeeeeeeeeeeeeeeeeeeeeee!!!!!!!1

- Pre Algebra -
**MathMate**, Wednesday, March 9, 2011 at 1:09am
75% increase over 100% is 175%

Use direct proportion:

175% : 210

100% : ?

Cross multiply to get:

100%*210/175%

= 120

Check:

120*(100%+75%)=210, OK

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