# MATH

posted by Dakota

A shirt cost \$7.80. What is the price of the item after a 10% increase with sales tax? (Sales Tax: 7.5%)

1. Dakota

~Thanks

2. Ms. Sue

7.8 * 1.1 * 1.075 = ?

3. Dakota

= 9.22 ?

4. Dakota

Ms. Sue ?

5. Ms. Sue

Right.

6. Dakota

OK Cool, but so I can understand well can you explain me how? Please? !

7. Ms. Sue

7.80 = original price
1.1 - amount of price increase
1.075 = price plus sales tax

8. Dakota

OK, I got it now! Thanks so much!

9. Ms. Sue

Great!

You're very welcome!

1

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