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Mathematics 23 Online
OpenStudy (anonymous):

help i will give medal

OpenStudy (anonymous):

Which answer shows a correct order to solve this story problem? Maurine had to pay $2.52 tax on her purchases. She bought 3 books for $12.99 each, 2 pens for $0.69 each, and a magazine for $2.99. How much did Maureen spend? A. Step 1: Add the price of a book and a pen. Step 2: Multiply by 3 and then by 2. Step 3: Add $2.99 to that result. Step 4: Add the tax to the total of the purchases. B. Step 1: Calculate the total price of the 2 pens. Step 2: Add $2.99 to that total. Step 3: Calculate the total price of the 3 books. Step 4: Add the tax to the price of the 3 books C. Step 1: Calculate the total price of the 3 books. Step 2: Calculate the total price of the 2 pens. Step 3: Add $2.99 to the total of the cost of the books and pens. Step 4: Add the tax to the total of the purchases. D. Step 1: Add $2.99 to the amount of the tax. Step 2: Calculate the total price of the 2 pens. Step 3: Calculate the total price of the 3 books. Step 4: Add the prices of the pens to the price of the books.

OpenStudy (aveline):

Have any idea?

OpenStudy (anonymous):

no

OpenStudy (aveline):

Let's start with A. Step 1: Add the price of a book and a pen. Step 2: Multiply by 3 and then by 2. This wouldn't work. If we add the price of one book and one pen, then multiply by 6, we won't be getting the correct total.

OpenStudy (aveline):

Can you eliminate any answers?

OpenStudy (anonymous):

?

OpenStudy (anonymous):

?

OpenStudy (aveline):

Do you think B would be correct? Why or why not?

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