In Mathematics of means multiplication 11 of the GH₵ 20.00 notes =11× GH₵ 20.00 15 of the GH₵ 10.00 notes =15×GH₵10.00 6 of the GH₵ 5.00 notes =6× GH₵ 5.00 Total Amount =11× GH₵ 20.00+15× GH₵ 10.00+6× GH₵ 5.00 Total Amount = GH₵ 220.00+GH₵150.00+GH₵30.00 Total Amount =GH₵400.00