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How much was the tax? $ Use the equation of y = k x to figure out the tax rate. Item Price $170 Total cost $183.60 = k = k • The tax percent rate is Move the decimal to the right to add a percent sign. spots % How much was the discount? $ Use the equation of y = k x to figure out the percent discount. Item Price $45 Sale price $36 = k = k The discount percentage rate is • Move the decimal to the right to add a percent sign. spots % How much was the tax? $ Use the equation of y = k x to figure out the tax rate. Item Price $78 Total cost $83.85 = k = k • The tax percent rate is Move the decimal to the right to add a percent sign. spots % How much was the tax? $ Use the equation of y = k x to figure out the tax rate. Item Price $8.80 Total cost $9.24 = k = k • The tax percent rate is Move the decimal to the right to add a percent sign. spots % How much was the discount? $ Use the equation of y = k x to figure out the percent discount. Item Price $47 Sale price $39.95 = k = k The discount percentage rate is • Move the decimal 2 spots to the right to add a percent sign. % How much was the tax? $ Use the equation of y = k x to figure out the tax rate. Item Price $36 Total cost $39.42 = k = k • The tax percent rate is Move the decimal 2 spots to the right to add a percent sign. % How much was the discount? $ Use the equation of y = k x to figure out the percent discount. Item Price $52 Sale price $33.80 = k = k The discount percentage rate is • Move the decimal 2 spots to the right to add a percent sign. % How much was the discount? $ Use the equation of y = k x to figure out the percent discount. Item Price $99 Sale price $59.40 = k = k The discount percentage rate is • Move the decimal 2 spots to the right to add a percent sign. % How much was the tax? $ Use the equation of y = k x to figure out the tax rate. Item Price $28 Total cost $29.82 = k = k • The tax percent rate is Move the decimal 2 spots to the right to add a percent sign. % |