SOLUTION: HI I understand how to find the area and volume of a cube but not with an increase so here is my question A metal cube of side l is heated and each side increases by 1%. To the

Algebra ->  Volume -> SOLUTION: HI I understand how to find the area and volume of a cube but not with an increase so here is my question A metal cube of side l is heated and each side increases by 1%. To the      Log On


   



Question 688988: HI I understand how to find the area and volume of a cube but not with an increase
so here is my question
A metal cube of side l is heated and each side increases by 1%. To the nearest percent
find the increase in
(a) surface area,
(b) volume.
the only thing I can get is (a) l^2 x0.01
and (b) l^3 x 0.01
thank you

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


The old volume is

The new volume will be

Percent Increase is

The old surface area is

The new surface area will be

Percent increase as above.

John

Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
The Out Campaign: Scarlet Letter of Atheism