6th Grade Math Textbook, Progress

To find the sales tax, multiply the marked price

by the rate of sales tax.

Write a percent equation: Let Trepresent the sales tax.

T
rate of sales tax marked price

T
 5%  $29.95

To find the total cost, add the Let TCrepresent the total cost.

sales tax to the marked price. TC
marked price sales tax

TC
 $29.95  T

Since Total Cost 
Marked Price Sales Tax, check

if the total cost is greater than the marked price.

A disposable digital camera costs $29.95

plus 5% sales tax. Find the sales tax and

total cost of the camera.

Problem-Solving Strategy:

Write an Equation

12-13

T
5% $29.95

4 4 2

0.$ 2 9.9 5

. 0 0.0 5

$ 1.4 9 .7 5 
$1.50

The sales tax is $1.50.

TC
$29.95 $1.50 
$31.45

The total cost is $31.45.

Visualize yourself in the problem above as you

reread it. List the facts and the question.

Facts: camera cost—$29.95

rate of sales tax— 5%

Question:What is the sales tax and the

total cost of the camera?

Round to the nearest cent.

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