Sheet # 198/Percentage
Name: ________________________ Date_____________
Explain and Show Your Work.
1) If an item is on sale for 25 % off and the original price is $321, what is the sale price?
2) If the sales tax rate is 6 % and a television costs $842.7 after tax, what is the price before tax?
3) A sample of an alloy with a total mass of 4.25 grams contains 1.53 grams of zinc. What is the % of zinc?
4) A television costs $489 before tax and $557.46 after tax. What is the sales tax rate?
Answers to Sheet #198
1) $321.00 - (.25 x $321.00) = $240.75
2) a + .06a = $842.70
1.06a = $842.70
a = $795.00
3. (1.53g/4.25g) = 36%
4. $489.00 + $489.00x = $557.46
0.14 = 14%