The actual volume of the tank is 359006.66666666666666666666666667 feet³. The volume of it's mock-up is 1662.0679012345679012345679012343. What percent of change occurred from the actual tank to the mock-up of the tank?
@Perl @Wio @Mertsj

Question

The actual volume of the tank is 359006.66666666666666666666666667 feet³. The volume of it's mock-up is 1662.0679012345679012345679012343. What percent of change occurred from the actual tank to the mock-up of the tank?
@Perl  @Wio @Mertsj

alexandervonhumboldt2 · Answer

are you sure arent they mean on what number of percents the volume lowered?

perl · Answer

you can use formula 

old volume *( 1  + r/100 ) = new volume

alexandervonhumboldt2 · Answer

thx

perl · Answer

and note that r could be negative (in our problem r should be negative)

alexandervonhumboldt2 · Answer

yeah 1-r/100

perl · Answer

right

perl · Answer

if you used plus, r will come out negative anyway

perl · Answer

i am curious, what are those decimals

alexandervonhumboldt2 · Answer

decimals?

perl · Answer

1662.0679012345679012345679012343  <--- this long decimal

perl · Answer

is that supposed to be a fraction

alexandervonhumboldt2 · Answer

mm

perl · Answer

maybe not :)