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January 31, 2015

January 31, 2015

Posted by **Anonymous** on Wednesday, April 1, 2009 at 7:02pm.

- math help... -
**Anonymous**, Wednesday, April 1, 2009 at 7:04pmin algebic expression method... with those two equation..

- math -
**bobpursley**, Wednesday, April 1, 2009 at 7:10pmTotal cost=900+42x

totalcostperbook=totalcost/x= 900/x+42

saveoneachbook=costperbook200-costperbook600

= 900/200+42 -900/600 -42

= 900(1/200-1/600)

= 900(400/(200*600))=900 (1/300)= check my work.

- math -
**tamia**, Tuesday, January 19, 2010 at 5:35pm32 less than three fourths of a number

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