Sales Tax and Discounts

find the discount

100

20% off $17.99 

answers: $14.39

200

40% off $ 7.25

$4.35

300

10% of $358.79

$ 322.91

400

5% off $16.70

$15.86

500

80% off $ 9.95

$ 1.99

find the sales tax

100

$13.78 and 5% tax

$14.47

200

%53.00 and 6% tax

$56.18

300

$18.45 and 4.5% tax

$19.28

400

$22.65 and 7% tax

$24.24

500

Charlene's lunch bill was $18.70. Estimate the total cost for lunch with 20% sales tax

$22.44

adding with decimals

100

115.48 - 6.92 =

$122.40

200

$349 + $22.69 =

$371.69

300

300 - 160.50 =

$139.50

400

620.75 - 25.25 =

$595.50

500

190 - 16.77 =

$173.23

subtracting with decimals

100

$39.00 - 9.75 =

$29.25

200

$35 - $14 =

$21

300

16.99 - .86 =

$16.14

400

56.18 -3.18=

$53.00

500

167.45 - 28.54 =

$138.91

sales tax and discounts

100

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

subtract

200

when you find sales tax do you add, subtract, multiply or divide the original price?\\hint: step # 2

add

300

Explain how to turn a percent into a decimal

Divide by 100 OR move the decimal over two places.

400

SURPISE!!!!

you automatically get 400 points (:

500

double jeopardy worth double points

What must you do in math to prove your answer is correct?????

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