math 8th grade
posted by tito .
the volume of a box needs to be 500 cubic cm. if the bas has dim of 12.5 cm and 5 cm how high must the box be?
I got 8 cm. Is this right?
My work is 12.5/500=40
5/40=8
8 cm

check
8 * 12.5 * 5 = 500 
Thank you. I just needed to show my work.

the width of a rectangle is 2cm.the perimeter of the recangle is 16cm. what is the length of the rectangle?

16 4cm = 12/2 = 6 is the length

how do you compute 4cm = ___m

well you have it upside down
500/12.5 = 40
40/5 = 8
I would have said:
12.5 * 5 * x = 500
so
62.5 x = 500
x = 500/62.5
x = 8 
Thank you for all your help

8c+1=3
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