A pizza in Melbourne costs \({\rm{\$ 22}}\) plus \({\rm{10\% }}\) GST. What is the final cost of the pizza?

A restaurant bill totals \({\rm{\$ 528,}}\) including the \({\rm{10\% }}\) GST. Calculate the actual price of the meal before the GST was added.

A bus fare was \({\rm{\$ 4}}{\rm{.56}}\) including the \({\rm{10\% }}\)  GST. Calculate how much GST was paid.

If a music store charges \({\rm{\$ 9}}{\rm{.35}}\) rental before GST, and \({\rm{\$ 10}}{\rm{.60 }}\) after GST, what percentage rate of GST is imposed?

A hamburger in Melbourne costs \(\$ 7.50\) plus \(10 \%\) GST. What was the hamburger's selling price?

A car cost \(\$ 38000\) including \(10 \% \mathrm{GST}\). What was the cars price before GST, correct to the nearest dollar?

A train ticket from Sydney to Newcastle costs \$21.50 including \(10 \%\) GST. What was the price of the ticket before tax?

If a coat has \(10 \%\) GST of \(\$ 8.50\) included in its selling price, find its selling price.

If a shoe store charges \(\$ 90\) before GST and 103.50 after GST, what percentage rate of GST was imposed?