Need help with working out change?

Question

AUSTRALIA DOLLARS

i used to work on register at a supermarket and the register used to work the change out for me. and then i left register and havent had to deal with costumers - handling money extra... now i am working with costumers again and don`t have a machine to work it out. is there some site or something to get my brain working again. i am 22 and feel really dumb. need help with my times tables to. i need some practice to get my brain going again. i also have depression and find it hard to oncerntrate and think. i heard that if u dont use ur brain it gets smaller so i need to keep it active! and what is the secret to knowing how to give people change? some people count it out

Answer 1

go to your local bookstore and they should have textbooks which can help you alot or try the library

Answer 2

just count up

like if its 17$

and they gave u 20$

count up and that's the change you give them

Answer 3

use something thats called a ''calculator''!!!! lol very easy too use and is correct all the time unless you pushed the wrong numbers!!! lol