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%)

MATH 
Dakota
Hello Ms. Sue, Can you please help on this I don't get it! Please
~Thanks 
MATH 
Ms. Sue
7.8 * 1.1 * 1.075 = ?

MATH 
Dakota
= 9.22 ?

MATH 
Dakota
Ms. Sue ?

MATH 
Ms. Sue
Right.

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

MATH 
Ms. Sue
7.80 = original price
1.1  amount of price increase
1.075 = price plus sales tax 
MATH 
Dakota
OK, I got it now! Thanks so much!

MATH 
Ms. Sue
Great!
You're very welcome!
1
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