How do you start a tax, tip, or discount problem?
Start with 100%. Add or subtract with the 100%. Change to a decimal. Multiply by original cost.
When solving a problem with tax and discount, what is the first step?
Calculate the discount with the original price first.
What is the fraction used to find the percent that changed in a problem?
change/original
Review #1:
What is the sale price of a $15 shirt that is 20% off ? (Round to nearest cent)
$12
When ordering online what cost always has to be added to the total amount?
What fraction is used to find the percent left in a problem?
left/original
Review #2:
A gaming console that is $300 plus 8% tax. What is the final cost of the console? (Round to nearest cent)
$324

Review #10:
Calculate the total price for option c: Buy a T-shirt and jeans and use the ShipFree coupon.
$57
Review #5:
A box of books has 55 books in it. If 32 of them are given to students, what is the percent left in the box? (Round to the nearest percent.)
42%
Review #4:
At dinner the bill is $89. You have a 15% off coupon and want to leave an 18% tip. What is the final price of dinner? (Round to the nearest cent.) (Hint: Apply the discount first)
$89.27

Review #8:
Calculate the total price for option a: Just buy jeans and use the SavMor coupon.
$61.55
Review #6:
Lizzie only got 12 questions correct on a quiz the first time. When she re-took the quiz she got 18 questions correct, what is the percent change in the number of questions she got correct?
50%
Review #3:
A $120 skateboard is on sale for 15% off and the sales tax is 7.5%. What is the final cost of the skateboard including tax?(Round to nearest cent) (Hint: Apply the discount first)
$109.65

Review #9:
Calculate the total price for option b: Buy a T-shirt and jeans and use the Buy2 coupon.
$58.32
Review #7:
Ms. Forman started the year with 120 exp markers. If her students have already used 45 of them, what is the percent of markers she has left? (Round to the nearest percent.)
63%