Show:
find the sale price
Total Price w/ tax
changing percent to decimal
Mental Math
sales tax and discounts
100

Sale Price: 20% off $17.99

answers: $14.39

100
Cost: $13.78 with 5% tax
$14.47
100
change 20% to a decimal
.20 or .2
100

find the value of x: x + 5= 11

6

100

When you find a discount do you add, subtract, multiply or divide?

subtract

200

Sale price: 40% off $ 7.25

$4.35

200
Total Price: $53.00 with 6% tax
$56.18
200
change 429% to a decimal
4.29
200

Mental math: 10% of 65

6.5

200

After you find sales tax, how do you find the total cost?

add

300
Sale Price: 10% of $358.79
$ 322.91
300

Total Price: $18.45 with 4.5% tax

$19.28

300

change 5% to a decimal

.05

300

50% of 200

100

300
If the sales tax is 6.25%, this is what you change it to before you multiply
What is .0625
400
Sale Price: 5% off $16.70
$15.86
400
Total Price: $22.65 with 7% tax
$24.24
400
.41%
.0041
400
Name the coefficient: 5g
5
400

Finding discount, and finding sales tax are SIMILAR in this way. (You must list TWO "steps")

they both require you to change the percent to a decimal, then multiply

500
Sale Price: 80% off $ 9.95
$ 1.99
500

Charlene's lunch bill was $18.70. Estimate the total cost for lunch with 5% tax and a 15% tip.

$22.58

500
713.58%
71358.
500
What is the teacher's favorite baseball team?
yankees
500
Finding discount and finding sales tax are DIFFERENT in this way. (Be specific!)
You SUBTRACT for discount, and you ADD for sales tax