# Lesson 1-1 Example 1 3-2 Example 1 Karen bought a dress that cost \$32. She paid 7% in sales tax. How much did she pay in tax? 1.Write the percent proportion.

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Lesson 1-1 Example 1 3-2 Example 1 Karen bought a dress that cost \$32. She paid 7% in sales tax. How much did she pay in tax? 1.Write the percent proportion.

Lesson 1-1 Example 1 3-2 Example 1 Karen bought a dress that cost \$32. She paid 7% in sales tax. How much did she pay in tax? 2.Substitute what you know into the proportion. Let x = the amount of the tax. tax rate← amount of tax ← price of dress

Lesson 1-1 Example 1 3-2 Example 1 Karen bought a dress that cost \$32. She paid 7% in sales tax. How much did she pay in tax? 3.Cross multiply and solve for x. 7(32)= 100x 224= 100x 2.24= x

Lesson 1-1 Example 1 3-2 Example 1 Karen bought a dress that cost \$32. She paid 7% in sales tax. How much did she pay in tax? 4.Karen paid \$2.24 in tax.

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