Question: 5. Decode the given expression for each problem, starting with the right- most factor and moving back factor by factor. Use the sample question as

 5. Decode the given expression for each problem, starting with the

5. Decode the given expression for each problem, starting with the right- most factor and moving back factor by factor. Use the sample question as guide. Sample Question Price is $87.49. Item is on sale at 10% off. Tax is added at 13%. Calculate the amount of tax. a = 0.13x (1 0.1) x 87.49 Answer to Sample Question 87.49 represents the price (1 0.1) x 87.49 represents the sale price 0.13 x (1 0.1) x 87.49 represents the amount of tax a. (2 marks) Price is $25.30. Item is on sale at 15% off. Calculate the sale price. ps = (1 0.15) x 25.30 Answer: b. (3 marks) Price is $47.90. Item is on sale at 10% off. Tax is added at 13%. Calculate the grand total. t = (1 + 0.13) x (1 0.1) x 47.90

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