<em>add x to both sides</em>
<em>divide both sides by 5</em>
It's the equation of a line. We need only two points to the plot the graph.
Choice any two values of x. Put them to the equation of a line and calculate the values of y.
for x = 0:
for x = 5:
The sales tax amount is $ 28.4
<em><u>Solution:</u></em>
Given that you purchase an ipod that costs $339
The tax rate is 8.375 %
To find: Sales tax amount
From given,
Cost price = $ 339
Tax rate = 8.375 %
Therefore, sales tax amount is 8.375 % of cost price
Thus sales tax amount is $ 28.4
