Percentage Calculation and Solving Algebraic Equation

Question

a. The price of a CD is $33 which includes 10% GST. What is the amount of GST included in the price?                

b. Kathleen paid $320 in cash for a television. If she paid in $20 notes and $10 notes and there were 23 notes altogether, how m any of each type were there?

Summary

These short answer questions belong to Mathematics. The 1st question is about finding the amount of tax on a CD which is inclusive of the tax. The 2nd question is about calculating the number of notes paid by a customer for a certain amount.

Total Word Count 109