Homework Help: math

Posted by diane on Friday, January 7, 2011 at 3:54pm.

a man purchased 3 item which cost 100 dollars. The second item is half of the first, and the third item is have of the second. How much was each item?

math - bobpursley, Friday, January 7, 2011 at 4:00pm
F+ 1/2F+1/4F=100
1.75 FirstCost=100

FirstCost then...100*4/7=400/7=57.14 dollars.

Lets check it.

57.14+ 57.14/2 + 57.14/4 =57.14+28.57+14.29 = 100

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