Homework Help: maths

Posted by urgent help needed pls on Thursday, January 19, 2012 at 11:00am.

A tank was filled with 20L of water. However, there was a hole and 2/3L was leaked out every minute.How long did it take for the tank to become empty?

maths - amper, Thursday, January 19, 2012 at 11:05am
FIRST,look for the unit

L----Litre

leak?L per minute-------L m^-1

that mean

L/ L m^-1

=1/ m^-1

=m

therefore,
ans:
20/(2/3)
=30minutes.
maths - urgent help needed pls, Thursday, January 19, 2012 at 11:50am
yup, that's what i got, thanks for verifying

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