Question
At a local music store CDs cost 11.99including tax is the number of CDs purchased proportional to the cost of the CDs
Answers
John1
n + .08n = 11.99 tax = 8%
1.08 n = 11.99
11.10=n tax is .89
lets say the is 6%
11.31 = n tax is .68
they are proportional. The proportion is the tax.
try dividing the tax by the n in each case to see that the answer is the sales tax we used.
1.08 n = 11.99
11.10=n tax is .89
lets say the is 6%
11.31 = n tax is .68
they are proportional. The proportion is the tax.
try dividing the tax by the n in each case to see that the answer is the sales tax we used.
Isabella
At a local music store CDs cost 11.99including tax is the number of CDs purchased proportional to the cost of the CDs What is the cost of 3 CDs