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For 9x + 25 = 88, Deena wrote the situation "I bought some shirts at the store for $9 each and received a $25 discount. My total bill was $88. How many shirts did I buy?"

A.) what mistake did Deena make?

B.) rewrite the equation to match Deena's situation.

C.) how could you rewrite the situation to make it fit the equation?

Respuesta :

A.Deena did +25 instead of - 25, since 88 is the bill and 9x was the original cost, minus the discount of 25.Β 
B. 9X-25= 88
C." IΒ bought some shirts at the store for $9 each and had to pay $25 Β worthΒ of taxes.Β My total bill was $88. "
Reason for C, because taxes would be an addition to the to the price of the 9 pants, and that is what is shown.Β 

Answer:

A.) Denna consider wrong the discount. She added it instead of resting it

B.) 9x - 25 = 88

C.) I bought some shirts at the store for $9 each, to get that price , Β I must be a member of the club , Β the membership is one pay of 25. My total bill was $88

Step-by-step explanation:

To get the total bill we have to multiple the quantity of shirts (x) Β by the price minus the discount she get. Β 

So, in the equation Denna consider wrong the discount, Β She added it instead of resting it . Β It should be

9x - 25 = 88

Where

Price =$9

x= quantity of shirts

discount = $25

Total bill= $88

To re-write the situation we have to consider another payment, Β It could be a membership to a club. Β